Automatic charging tray feeding device

Abstract

The utility model relates to an automatic charging tray feeding device which is provided with a machine frame. A feeding bin, an OK bin and an NG bin are arranged on the rack, material control mechanisms are arranged in the feeding bin, the OK bin and the NG bin correspondingly, a first transfer assembly and a second transfer assembly are further arranged on the rack, each material control mechanism comprises a material frame, a first driving motor, a bearing plate and a tray taking assembly, and the tray taking assembly comprises a driving air cylinder, a driving plate, a first lifting air cylinder and a supporting plate. The telescopic direction of the driving air cylinders is perpendicular to the sliding direction of the bearing plate, the sliding direction of the supporting plate is parallel to the sliding direction of the bearing plate, the first lifting air cylinders are fixed to the driving plates, and the driving plates are driven by the driving air cylinders to move towards the material disc. And each supporting plate extends into the bottom end of the charging tray and takes out the charging tray through the driving of the driving air cylinder to the driving plate and the driving of the first lifting air cylinder. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of material tray supply, in particular to an automatic material tray supply device. Background Art

[0002] In the prior art, the appearance of the mobile phone middle frame needs to be inspected to prevent products with appearance defects from entering the market. Common appearance defects include crushing, bumps, scratches, white leakage, discoloration, etc. The traditional appearance inspection method is manual visual identification, and whether there are defects is judged by manual observation. However, the inspection efficiency is low through manual inspection. Therefore, the development of automatic shooting and inspection by the coordinated cooperation of cameras and shooting light sources has ensured the accuracy of the inspection.

[0003] In automated assembly production, trays are a very common way to carry raw materials. However, currently, tray loading is mostly used in manual loading equipment. If used in a fully automatic production line, it must be assisted by other automatic loading systems to achieve automatic loading of trays and accurate positioning of product positions. Manual loading is inefficient and affects the operating speed of the overall equipment, which is very inconvenient. Therefore, it is necessary to develop a device that can automatically load and supply materials. Utility Model Content

[0004] The utility model aims to provide an automatic material tray supply device with an ingenious structure, which can realize automatic loading, taking out and transfer of the material tray in an automated manner, and is convenient and practical.

[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a frame; the frame is provided with a loading bin, an OK bin and an NG bin, and the loading bin, the OK bin and the NG bin are all provided with a material control mechanism for controlling the lifting of a stacked material tray filled with materials, the frame is also provided with a first transfer component for transferring materials, and a second transfer component for transferring material trays, the material control mechanism includes a material frame fixed to the frame, a first drive motor fixed to the frame, a support plate driven by the first drive motor and arranged on the frame to lift and lower and support multiple material trays, and a support plate relatively arranged on the material frame and capable of taking out an upper material tray alone. The tray taking assembly includes a driving cylinder fixed on the material frame, a driving plate fixed on the telescopic end of the driving cylinder, a first lifting cylinder arranged relatively to the driving plate, and a support plate fixed on the telescopic end of the first lifting cylinder and capable of supporting the bottom of the material tray, the telescopic direction of the driving cylinder is perpendicular to the sliding direction of the supporting plate, the sliding direction of the support plate is parallel to the sliding direction of the supporting plate, the first lifting cylinder is fixed on each driving plate, each driving plate moves toward the material tray under the drive of the driving cylinder, each support plate extends into the bottom end of the material tray and takes out the material tray through the drive of the driving cylinder to the driving plate and the drive of the first lifting cylinder.

[0006] Furthermore, the upper end of the above-mentioned driving plate is provided with a relatively arranged adjusting slider, and the adjusting slider is provided with a mounting groove, and the extension direction of the mounting groove is arranged parallel to the sliding direction of the supporting plate. Each first lifting cylinder is fixedly installed in the corresponding mounting groove, and each adjusting slider is slidably arranged on the driving plate and fixed to the driving plate by a locking member. The first lifting cylinder is located on the side of the driving plate away from the material plate, and the cross-section of the support plate is "L"-shaped. Each support plate is lifted and lowered by the drive of the first lifting cylinder, and a limit is formed by pressing against the lower end of the driving plate.

[0007] Furthermore, the above-mentioned first transfer component includes a first bracket fixed on the frame, a mounting plate slidably arranged on the first bracket under the drive of a driving member, a first linear module fixed on the mounting plate, a first movable frame slidably arranged on the first linear module under the drive of the first linear module, a second linear module fixed on the first movable frame, a first lifting bracket that is lifted and lowered under the drive of the second linear module, a rotating motor fixed on the first lifting bracket, a rotating bracket fixed at the driving end of the rotating motor, and a plurality of first pneumatic suction heads fixedly mounted on the rotating bracket and capable of moving toward the material tray, the moving direction of the mounting plate is arranged parallel to the moving direction of the driving plate, and each first pneumatic suction head transfers the material through the drive of the driving member and the mounting plate, the drive of the first linear module to the first movable frame, the drive of the second linear module to the first lifting bracket, and the drive of the rotating motor to the rotating bracket.

[0008] Furthermore, the above-mentioned second transfer assembly includes a second bracket fixed on the frame and arranged parallel to the first bracket, a third linear module fixed on the second bracket, a first movable plate slidably arranged under the drive of the third linear module, a second movable plate slidably arranged on the first movable plate, a second driving motor fixed on the second movable plate, a third movable plate sliding synchronously with the second movable plate driven by the second driving motor, a second lifting cylinder fixed on the third movable plate, a second lifting bracket fixed on the telescopic end of the second lifting cylinder, and a plurality of second pneumatic suction heads fixed on the second lifting bracket and capable of transferring the material tray, the moving direction of the first movable plate is arranged parallel to the moving direction of the mounting plate, and the second movable plate is arranged parallel to the moving direction of the mounting plate. The moving directions of the plate and the third moving plate are arranged parallel, and the output end of the second driving motor is fixedly provided with a driving pulley, and the second moving plate is also provided with a driven pulley, and a transmission belt is sleeved between the driving pulley and the driven pulley, and the first moving plate and the third moving plate are both provided with a driven block fixed on the transmission belt, and the second moving plate and the third moving plate are driven by the driving pulley and the driven pulley to synchronously slide out or recycle the transmission belt through the second driving motor, and each second pneumatic suction head drives the first moving plate through the first linear module, the sliding connection between the second moving plate and the first moving plate, the sliding connection between the third moving plate and the second moving plate, and the second lifting cylinder drives the second lifting bracket to grab and transfer the material tray.

[0009] Furthermore, the first movable plate is provided with a temporary storage component for temporarily placing a material tray, the temporary storage component includes a first temporary storage plate and a second temporary storage plate which are relatively arranged and fixed at the bottom of the first movable plate, a positioning block which is arranged on the first temporary storage plate and can press and position one side of the material tray, and a pressing plate which is arranged on the second temporary storage plate and can press the other side of the material tray, the first temporary storage plate and the second temporary storage plate are respectively arranged on both sides of the third linear module, and the extension direction of the first temporary storage plate and the second temporary storage plate is arranged parallel to the extension direction of the third linear module, the first temporary storage plate and the second temporary storage plate have multiple rows of first adjustment hole groups, the first adjustment hole group is composed of a plurality of first adjustment screw holes uniformly distributed in a direction perpendicular to the third linear module, the positioning block and the pressing plate are both provided with adjustment grooves corresponding to each row of the first adjustment hole groups, and each adjustment groove is equipped with an adjustment screw, the positioning block is fixed to the first temporary storage plate by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole, and the positioning plate is fixed to the second temporary storage plate by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole.

[0010] Furthermore, the first temporary storage plate and the second temporary storage plate are both provided with a positioning plate group that can press against both sides of the material plate along the extension direction of the third linear module, the positioning plate group includes a first positioning plate fixedly mounted on the first temporary storage plate, and a second positioning plate arranged opposite to the first positioning plate, the first temporary storage plate and the second temporary storage plate are both provided with positioning grooves, the positioning grooves are provided with multiple rows of second adjustment hole groups, the second adjustment hole groups are composed of multiple second adjustment screw holes evenly distributed along the extension direction of the third linear module, each second positioning plate is provided with an adjustment slot, the adjustment slot is also equipped with an adjustment screw, the second positioning plate slidably arranged in each positioning slot is fixed in the corresponding positioning slot after the adjustment screw passes through the adjustment screw and is threadedly engaged with the second adjustment screw hole.

[0011] Furthermore, the pressure plate, the first positioning plate and the second positioning plate are all provided with guide plates which can guide the stored materials in the material tray.

[0012] The utility model has positive effects: (1) The utility model sets a material control mechanism in the loading bin, OK bin and NG bin, drives the support plate and the stacked material trays on the support plate to rise and fall through the first drive motor, drives the drive plate to move horizontally through the drive cylinder, and drives the support plates to move up and down through the first lifting cylinders. The top material tray is taken and placed one by one through the movement of the support plates in various directions, and the materials in the material tray are taken and placed through the first transfer component, and the empty tray after the materials are taken is taken and placed through the second transfer component, which effectively solves the inefficiency problem caused by manual loading in the prior art, and comprehensively improves the loading efficiency of the material tray through the automated method of longitudinal positioning and lateral insertion, with a clever structure, convenient and practical.

[0013] (2) The utility model arranges an adjusting slider on the driving plate and fixes each first lifting cylinder on the adjusting slider. The first lifting cylinder and the support plate on the first lifting cylinder can be adjusted in time according to the shape or size of the material tray. At the same time, the support plate is arranged to be "L"-shaped. The driving limit of the support plate is formed by the pressure between the support plate and the driving plate. The utility model has good adjustability and applicability.

[0014] (3) The utility model realizes the three-axis movement of each first pneumatic suction head by driving the mounting plate by the driving member, driving the first movable frame by the first linear module, and driving the first lifting bracket by the second linear module, and adjusts the position of each first pneumatic suction head by driving the rotating bracket by the rotating motor, thereby realizing efficient and accurate picking of materials on the material tray, which is accurate, efficient and practical.

[0015] (4) The utility model drives the first movable plate to move by setting a third linear module, drives the second movable plate and the third movable plate to move synchronously by a second driving motor, drives the second lifting cylinder to lift and move the second lifting bracket, and the second pneumatic suction head transfers the material tray in the inner hole of the loading bin through the movement of the first movable plate, the second movable plate, the third movable plate, and the second lifting bracket. On the one hand, it is convenient for the loading of the next material tray, and on the other hand, it is also convenient for the recycling of the empty material tray after taking out, which is convenient and practical.

[0016] (5) The utility model sets a temporary storage component on the first movable plate, and performs preliminary positioning on both sides of the empty material tray through the positioning block and the pressure plate. The adjusting screws in the adjusting grooves on the positioning block and the pressure plate are fixed by cooperating with the threads of the corresponding first adjusting screw holes to position and press the two sides of the empty material tray, thereby ensuring the stability of the empty material tray on the first temporary storage plate and the second temporary storage plate. The utility model has an ingenious structure and is stable and practical.

[0017] (6) The utility model sets a positioning plate group to limit the two outer sides of the material tray, and can timely adjust the position of the second positioning plate according to the shape and size of the material tray, thereby ensuring stable pressure on the material tray and greatly reducing the need for deviation correction or rectification of the material tray in subsequent use, which is efficient and convenient.

[0018] (7) The utility model provides guide plates on the pressure plate, the first positioning plate and the second positioning plate, thereby facilitating the material tray to enter the first temporary storage plate and the second temporary storage plate, thereby avoiding the material tray from getting stuck, and the utility model is stable and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in conjunction with the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure of the automatic feeding device for the middle material tray of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the hollow material mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall structure of the tray taking assembly in the utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure between the first lifting cylinder and the support plate in the utility model;

[0024] Figure 5 It is a schematic diagram of the overall structure of the first transfer component in the utility model;

[0025] Figure 6 It is a schematic diagram of the connection structure between the first mobile frame and the first lifting frame in the utility model;

[0026] Figure 7 It is a schematic diagram of the overall structure of the second transfer component in the utility model. DETAILED DESCRIPTION

[0027] See Figures 1 to 7 The utility model has a frame 1; the frame 1 is provided with a loading bin, an OK bin and an NG bin, and the loading bin, the OK bin and the NG bin are all provided with a material control mechanism 2 for controlling the lifting of a stacked material tray filled with materials, the frame 1 is also provided with a first transfer component 3 for transferring materials, and a second transfer component 4 for transferring the material tray, the material control mechanism 2 includes a material frame 21 fixed to the frame 1, a first drive motor 22 fixed to the frame 1, a support plate 23 driven by the first drive motor 22 and arranged on the frame 1 and capable of supporting a plurality of material trays, and a tray taking component relatively arranged on the material frame 21 and capable of taking a single upper material tray, the tray taking component includes a material frame 21 fixed to the frame 1, a first drive motor 22 fixed to the frame 1, a support plate 23 driven by the first drive motor 22, and a tray taking component relatively arranged on the material frame 21 and capable of taking a single upper material tray, and a tray taking component fixed to the material frame 21. The driving cylinder 24 on the frame 21, the driving plate 25 fixed on the telescopic end of the driving cylinder 24, the first lifting cylinder 26 relatively arranged on the driving plate 25, and the support plate 27 fixed at the telescopic end of the first lifting cylinder 26 and capable of supporting the bottom of the material tray, the telescopic direction of the driving cylinder 24 is perpendicular to the sliding direction of the supporting plate 23, the sliding direction of the support plate 27 is parallel to the sliding direction of the supporting plate 23, the first lifting cylinder 26 is fixed on each driving plate 25, each driving plate 25 moves toward the material tray under the drive of the driving cylinder 24, and each support plate 27 extends into the bottom end of the material tray and takes out the material tray through the driving of the driving cylinder 24 on the driving plate 25 and the driving of the first lifting cylinder 26.

[0028] The upper end of the driving plate 25 is provided with an adjusting slider 251 which is relatively arranged. The adjusting slider 251 is provided with a mounting groove 252. The extending direction of the mounting groove 252 is arranged parallel to the sliding direction of the supporting plate 23. Each first lifting cylinder 26 is fixedly installed in the corresponding mounting groove 252. Each adjusting slider 251 is slidably arranged on the driving plate 25 and fixed on the driving plate 25 by a locking member. The first lifting cylinder 26 is located on the side of the driving plate 25 away from the material plate. The cross-section of the support plate 27 is "L"-shaped. Each support plate 27 is lifted and lowered by the drive of the first lifting cylinder 26, and a limit is formed by pressing against the lower end of the driving plate 25.

[0029] The first transfer assembly 3 includes a first bracket 31 fixed on the frame 1, a mounting plate 32 slidably arranged on the first bracket 31 under the drive of a driving member, a first linear module 33 fixed on the mounting plate 32, a first movable frame 34 slidably arranged on the first linear module 33 under the drive of the first linear module 33, a second linear module 35 fixed on the first movable frame 34, a first lifting bracket 36 lifted and lowered under the drive of the second linear module 35, a rotating motor 37 fixed on the first lifting bracket 36, a rotating bracket 38 fixed on the driving end of the rotating motor 37, and a plurality of first pneumatic suction heads 39 fixedly mounted on the rotating bracket 38 and capable of moving the material in the material tray. The moving direction of the mounting plate 32 is arranged parallel to the moving direction of the driving plate 25. Each first pneumatic suction head 39 transfers the material through the drive of the driving member and the mounting plate 32, the drive of the first linear module 33 on the first movable frame 34, the drive of the second linear module 35 on the first lifting bracket 36, and the drive of the rotating motor 37 on the rotating bracket 38.

[0030] The second transfer assembly 4 includes a second bracket 41 fixed on the frame 1 and arranged parallel to the first bracket 31, a third linear module 42 fixed on the second bracket 41, a first movable plate 43 slidably arranged under the drive of the third linear module 42, a second movable plate 44 slidably arranged on the first movable plate 43, a second drive motor 45 fixed on the second movable plate 44, a third movable plate 46 sliding synchronously with the second movable plate 44 under the drive of the second drive motor 45, a second lifting cylinder 47 fixed on the third movable plate 46, a second lifting bracket 48 fixed at the telescopic end of the second lifting cylinder 47, and a plurality of second pneumatic suction heads 49 fixed on the second lifting bracket 48 and capable of transferring the material tray. The moving direction of the first movable plate 43 is arranged parallel to the moving direction of the mounting plate 32, and the second The moving directions of the movable plate 44 and the third movable plate 46 are arranged in parallel, and a driving pulley is fixedly provided at the output end of the second driving motor 45, and a driven pulley is also provided on the second movable plate 44, and a transmission belt is sleeved between the driving pulley and the driven pulley, and the first movable plate 43 and the third movable plate 46 are both provided with a driven block fixed on the transmission belt, and the second movable plate 44 and the third movable plate 46 are driven by the driving pulley and the driven pulley of the second driving motor 45 to synchronously slide out or recover the transmission belt, and each second pneumatic suction head 49 grabs and transfers the material tray through the driving of the first movable plate 43 by the first linear module 33, the sliding connection between the second movable plate 44 and the first movable plate 43, the sliding connection between the third movable plate 46 and the second movable plate 44, and the driving of the second lifting bracket 48 by the second lifting cylinder 47.

[0031] The first movable plate 43 is provided with a temporary storage component 5 for temporarily placing the material tray, and the temporary storage component 5 includes a first temporary storage plate 51 and a second temporary storage plate 52 which are arranged oppositely and fixed at the bottom of the first movable plate 43, a positioning block 53 which is arranged on the first temporary storage plate 51 and can press and position one side of the material tray, and a pressing plate 54 which is arranged on the second temporary storage plate 52 and can press the other side of the material tray. The first temporary storage plate 51 and the second temporary storage plate 52 are respectively arranged on both sides of the third linear module 42, and the extension direction of the first temporary storage plate 51 and the second temporary storage plate 52 is arranged parallel to the extension direction of the third linear module 42. There are multiple rows of first adjustment hole groups on the first temporary storage plate 51 and the second temporary storage plate 52, and the first adjustment hole group is composed of multiple first adjustment screw holes 57 evenly distributed in a direction perpendicular to the third linear module 42. The positioning block 53 and the pressure plate 54 are both provided with adjustment grooves 541 corresponding to each row of first adjustment hole groups, and each adjustment groove 541 is equipped with an adjustment screw. The positioning block 53 is fixed to the first temporary storage plate 51 by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole 57, and the positioning plate is fixed to the second temporary storage plate 52 by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole 57.

[0032] The first temporary storage plate 51 and the second temporary storage plate 52 are both provided with a positioning plate group that can press the two sides of the material plate along the extension direction of the third linear module 42. The positioning plate group includes a first positioning plate 55 fixedly mounted on the first temporary storage plate 51, and a second positioning plate 56 arranged opposite to the first positioning plate 55. The first temporary storage plate 51 and the second temporary storage plate 52 are both provided with a positioning groove 58, and the positioning groove 58 is provided with a plurality of rows of second adjustment hole groups. The second adjustment hole group is composed of a plurality of second adjustment screw holes 59 uniformly distributed along the extension direction of the third linear module 42. Each second positioning plate 56 is provided with an adjustment groove 561, and the adjustment groove 561 is also equipped with an adjustment screw. The second positioning plate 56 slidably arranged in each positioning groove 58 is fixed in the corresponding positioning groove 58 after the adjustment screw passes through the adjustment screw and is threadedly engaged with the second adjustment screw hole 59.

[0033] The pressing plate 54 , the first positioning plate 55 and the second positioning plate 56 are all provided with a guide plate 50 for guiding the materials stored in the material tray.

[0034] Working principle of the utility model: during the use of the utility model, the stacked material trays are first placed in the upper material bin, each stacked material tray is located in the material frame 21, the first driving motor 22 drives the supporting plate 23 to lift, the first lifting cylinder 26 on each driving plate 25 drives each support plate 27 to descend to the bottom of the uppermost material tray among the material trays, and then the driving cylinder 24 drives the driving plate 25 to move toward the material tray, each support plate 27 extends into the bottom of the uppermost material tray to lift the material tray, and each first pneumatic suction head on the rotating bracket 38 39 transfers the material to the docking interface of the next process through the driving of the driving member and the mounting plate 32, the driving of the first linear module 33 on the first moving frame 34, the driving of the second linear module 35 on the first lifting bracket 36, and the driving of the rotating motor 37 on the rotating bracket 38, and then moves to the discharge port of the previous process to absorb the material that has completed the previous process, and classify the material according to the specific results obtained in the previous process. If the result of the material obtained in the previous process is qualified, each first pneumatic suction head 39 transfers the material to O In the tray of the K bin, if the result of the previous process is unqualified, each first pneumatic suction head 39 transfers the material to the tray of the NG bin. When the material in the tray of the upper bin is taken out, each second pneumatic suction head 49 grabs the tray through the first linear module 33 driving the first moving plate 43, the sliding connection between the second moving plate 44 and the first moving plate 43, the sliding connection between the third moving plate 46 and the second moving plate 44, and the second lifting cylinder 47 driving the second lifting bracket 48, and puts the tray. It is placed on the first temporary storage plate 51 and the second temporary storage plate 52. After the material trays in the OK silo or the NG silo are filled with materials, each second pneumatic suction head 49 takes out the empty material trays and places them in the corresponding silo, thereby realizing the recycling of the empty material trays. On the one hand, it effectively solves the inefficiency caused by manual loading in the prior art, and the stacked material trays are loaded one by one by driving the driving cylinder 24 to drive the driving plate 25 and the first lifting cylinder 26 to drive the support plate 27. On the other hand, it can effectively realize the recycling of the empty material trays, with a clever structure, stable and practical.

[0035] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic tray feeding device, comprising a frame; Features: The frame is provided with a loading bin, an OK bin and an NG bin, each of which is provided with a material control mechanism for controlling the lifting of stacked trays filled with materials, the frame is also provided with a first transfer component for transferring materials, and a second transfer component for transferring trays, the material control mechanism comprises a material frame fixed to the frame, a first drive motor fixed to the frame, a support plate driven by the first drive motor to be lifted and lowered on the frame and capable of supporting a plurality of trays, and a tray taking component relatively arranged on the material frame and capable of taking a single upper tray, the tray taking component comprising It includes a driving cylinder fixed on the material frame, a driving plate fixed on the telescopic end of the driving cylinder, a first lifting cylinder relatively arranged on the driving plate, and a support plate fixed on the telescopic end of the first lifting cylinder and capable of supporting the bottom of the material tray, the telescopic direction of the driving cylinder is perpendicular to the sliding direction of the supporting plate, the sliding direction of the support plate is parallel to the sliding direction of the supporting plate, the first lifting cylinder is fixed on each driving plate, each driving plate moves toward the material tray under the drive of the driving cylinder, each support plate extends into the bottom end of the material tray and takes out the material tray through the drive of the driving cylinder to the driving plate and the drive of the first lifting cylinder.

2. The automatic tray feeding device according to claim 1, Features: The upper end of the driving plate is provided with an adjusting slider which is relatively arranged, and the adjusting slider is provided with a mounting groove. The extending direction of the mounting groove is arranged parallel to the sliding direction of the supporting plate. Each first lifting cylinder is fixedly installed in the corresponding mounting groove, and each adjusting slider is slidably arranged on the driving plate and fixed on the driving plate by a locking member. The first lifting cylinder is located on the side of the driving plate away from the material plate. The cross-section of the support plate is "L"-shaped. Each support plate is lifted and lowered by the drive of the first lifting cylinder, and a limit is formed by pressing against the lower end of the driving plate.

3. The automatic tray feeding device according to claim 2, Features: The first transfer component includes a first bracket fixed on the frame, a mounting plate slidably arranged on the first bracket under the drive of a driving member, a first linear module fixed on the mounting plate, a first movable frame slidably arranged on the first linear module under the drive of the first linear module, a second linear module fixed on the first movable frame, a first lifting bracket that is lifted and lowered under the drive of the second linear module, a rotating motor fixed on the first lifting bracket, a rotating bracket fixed on the driving end of the rotating motor, and a plurality of first pneumatic suction heads fixedly mounted on the rotating bracket and capable of moving the material in the material tray, the moving direction of the mounting plate is arranged parallel to the moving direction of the driving plate, and each first pneumatic suction head transfers the material through the drive of the driving member and the mounting plate, the drive of the first linear module to the first movable frame, the drive of the second linear module to the first lifting bracket, and the drive of the rotating motor to the rotating bracket.

4. The automatic tray feeding device according to claim 3, Features: The second transfer assembly includes a second bracket fixed on the frame and arranged parallel to the first bracket, a third linear module fixed on the second bracket, a first movable plate slidably arranged under the drive of the third linear module, a second movable plate slidably arranged on the first movable plate, a second drive motor fixed on the second movable plate, a third movable plate sliding synchronously with the second movable plate under the drive of the second drive motor, a second lifting cylinder fixed on the third movable plate, a second lifting bracket fixed on the telescopic end of the second lifting cylinder, and a plurality of second pneumatic suction heads fixed on the second lifting bracket and capable of transferring the material tray, the moving direction of the first movable plate is arranged parallel to the moving direction of the mounting plate, the second movable plate and The moving direction of the third moving plate is arranged in parallel, and a driving pulley is fixedly provided at the output end of the second driving motor, and a driven pulley is also provided on the second moving plate, and a transmission belt is sleeved between the driving pulley and the driven pulley, and the first moving plate and the third moving plate are both provided with driven blocks fixed on the transmission belt, and the second moving plate and the third moving plate are driven by the driving pulley and the driven pulley to synchronously slide out or recycle the transmission belt through the second driving motor, and each second pneumatic suction head grabs and transfers the material tray through the driving of the first moving plate by the first linear module, the sliding connection between the second moving plate and the first moving plate, the sliding connection between the third moving plate and the second moving plate, and the driving of the second lifting bracket by the second lifting cylinder.

5. The automatic tray feeding device according to claim 4, Features: The first movable plate is provided with a temporary storage component for temporarily placing a material tray, and the temporary storage component includes a first temporary storage plate and a second temporary storage plate which are relatively arranged and fixed at the bottom of the first movable plate, a positioning block which is arranged on the first temporary storage plate and can press and position one side of the material tray, and a pressing plate which is arranged on the second temporary storage plate and can press the other side of the material tray. The first temporary storage plate and the second temporary storage plate are respectively arranged on both sides of the third linear module, and the extension direction of the first temporary storage plate and the second temporary storage plate is arranged parallel to the extension direction of the third linear module. There are multiple rows of first adjustment hole groups on the first temporary storage plate and the second temporary storage plate, and the first adjustment hole group is composed of a plurality of first adjustment screw holes uniformly distributed in a direction perpendicular to the third linear module. The positioning block and the pressing plate are both provided with adjustment grooves corresponding to each row of the first adjustment hole groups, and each adjustment groove is equipped with an adjustment screw. The positioning block is fixed to the first temporary storage plate by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole, and the positioning plate is fixed to the second temporary storage plate by threaded cooperation between each adjustment screw and the corresponding first adjustment screw hole.

6. The automatic tray feeding device according to claim 5, Features: The first temporary storage plate and the second temporary storage plate are both provided with a positioning plate group that can press both sides of the material plate along the extension direction of the third linear module. The positioning plate group includes a first positioning plate fixedly mounted on the first temporary storage plate, and a second positioning plate arranged opposite to the first positioning plate. The first temporary storage plate and the second temporary storage plate are both provided with positioning grooves, and the positioning grooves are provided with multiple rows of second adjustment hole groups, and the second adjustment hole groups are composed of multiple second adjustment screw holes evenly distributed along the extension direction of the third linear module. Each second positioning plate is provided with an adjustment slot, and the adjustment slot is also equipped with an adjustment screw. The second positioning plate slidably arranged in each positioning slot is fixed in the corresponding positioning slot after the adjustment screw passes through the adjustment screw and is threadedly engaged with the second adjustment screw hole.

7. The automatic tray feeding device according to claim 6, Features: The pressure plate, the first positioning plate and the second positioning plate are all provided with guide plates which can guide the materials stored in the material tray.

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