CN211619281U - Charging tray winding and unwinding mechanism - Google Patents

Abstract

The utility model discloses a charging tray jack, including feed bin, first anchor clamps, second anchor clamps, first top support device, second top support device, first bearing hook and second bearing hook. The bin is provided with a first tray area, a second tray area and a tray collecting and releasing working cavity. The first supporting hooks are hung in the tray collecting and releasing working cavity and are respectively positioned beside the left side and the right side of the first tray area, and the second supporting hooks are hung in the tray collecting and releasing working cavity and are respectively positioned beside the left side and the right side of the second tray area; the first jacking device and the second jacking device respectively comprise a jacking driver and a jacking bracket; the top support bracket of the first top support device is driven by a top support driver of the first top support device to push the material tray on the first bearing hook into the first material tray area, or the top support bracket of the second top support device is driven by a top support driver of the second top support device to push the material tray on the second bearing hook into the second material tray area; the purpose of convenient and reliable collection and release of the charging tray is realized, and the collection and release area of the charging tray can be flexibly selected.

Description

Charging tray winding and unwinding mechanism

Technical Field

The utility model relates to a jack especially relates to a charging tray jack that is used for putting the charging tray of holding lens spiral shell tooth seat and receive the dish.

Background

As is well known, electronic products such as smart phones, tablet computers, notebook computers, and digital cameras are not separated from cameras.

At present, a camera includes a lens, a sensor, a screw seat, a cover plate, and the like. The screw thread seat is formed by injection molding, so that the screw thread seats taken out of an injection mold are stacked in a recovery container of an injection molding machine in a disordered manner. The screw seats are required to be assembled with other components subsequently, so that the screw seats stacked in the recovery container in a disordered manner need to be sorted and stored, namely, the screw seats are stacked in material grooves on a material tray one by one to facilitate the assembly work of subsequent assembly machinery.

The existing charging trays are stacked in the storage bin, so that the storage bin is used for realizing batch storage of the charging trays. In the storage bin, due to the fact that the structure design of the collecting and releasing device for collecting and releasing the material discs is unreasonable, the material discs conveyed by an external manipulator are relatively troublesome to take and store, and meanwhile, the process that the material discs in the storage bin are transferred to the external manipulator is also relatively troublesome.

Therefore, there is a need for a tray retraction mechanism to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charging tray jack for the charging tray receive and releases convenient and reliable, and the charging tray receive and releases the district and can select in a flexible way.

In order to achieve the above object, the utility model provides a charging tray jack, including feed bin, first anchor clamps, second anchor clamps, first top support device, second top support device, first bearing hook and second bearing hook. The storage bin is provided with a first material tray area, a second material tray area and a material tray collecting and releasing working cavity, the first material tray area and the second material tray area are arranged in parallel at intervals in the left-right direction of the storage bin, the material tray collecting and releasing working cavity is positioned under the first material tray area and the second material tray area, and the material tray collecting and releasing working cavity is further communicated with the first material tray area and the second material tray area in the up-down direction of the storage bin respectively; the first clamp and the second clamp are respectively arranged on the stock bin, the first clamp is used for clamping a material tray in the first material tray area, and the second clamp is used for clamping a material tray in the second material tray area; the first supporting hooks are hung in the tray collecting and releasing working cavity and are respectively positioned beside the left side and the right side of the first tray area, and the second supporting hooks are hung in the tray collecting and releasing working cavity and are respectively positioned beside the left side and the right side of the second tray area; the first jacking device and the second jacking device respectively comprise a jacking driver and a jacking support, wherein the jacking driver is installed on the storage bin, the output end of the jacking driver is arranged upwards, the jacking support is installed at the output end of the jacking driver, the jacking support of the first jacking device is positioned right below the first tray area, and the jacking support of the second jacking device is positioned right below the second tray area; the material tray loaded on the first bearing hook from the front-back direction of the bin is upwards ejected into the first material tray area by the ejection support bracket of the first ejection device under the driving of the ejection driver of the first ejection device; or the jacking bracket of the second jacking device is driven by the jacking driver of the second jacking device to jack the material tray loaded on the second bearing hook from the front-back direction of the bin into the second material tray area upwards.

Preferably, the hooks between the first retainer hooks are aligned with one another and the hooks between the second retainer hooks are aligned with one another.

Preferably, the size of the jacking bracket of the first jacking device in the left-right direction of the storage bin is smaller than the distance between the first supporting hooks, and the size of the jacking bracket of the second jacking device in the left-right direction of the storage bin is smaller than the distance between the second supporting hooks.

Preferably, the jacking driver is a motor, an output shaft of the motor is of a hollow structure, a nut structure is machined on the inner wall of the hollow structure, a screw rod penetrates through the nut structure from the upper direction and the lower direction of the storage bin, the upper end of the screw rod is rotatably assembled and connected with the jacking support, and the lower end of the screw rod extends out of the motor downwards.

Preferably, the feed bin comprises a frame and an upper and a lower partition plates located in the middle of the frame, the upper and the lower partition plates enable the interior of the frame to be partitioned into the material tray collecting and releasing working cavity and a movable cavity located below the material tray collecting and releasing working cavity, the jacking support is located in the movable cavity, the jacking driver is assembled at the bottom of the frame, the first material tray area and the second material tray area are located at the top surface of the frame, and the first clamp and the second clamp are installed on the top surface of the frame.

Preferably, the first fixture and the second fixture each include a clamping cylinder and a pressing block, the clamping cylinders of the first fixture are respectively located beside the front and rear sides of the first panel area, the output ends between the clamping cylinders of the first fixture face each other, the pressing block of the first fixture is mounted at the output end of the clamping cylinder of the first fixture, the clamping cylinders of the second fixture are respectively located beside the front and rear sides of the second panel area, the output ends between the clamping cylinders of the second fixture face each other, and the pressing block of the second fixture is mounted at the output end of the clamping cylinder of the second fixture.

Preferably, the feed bin further comprises a left partition board, a right partition board, a front partition board and a rear partition board, wherein the left partition board and the right partition board are installed on the top surface of the frame, the left partition board and the right partition board are located beside the rear sides of the first material tray area and the second material tray area, the front partition board and the rear partition board are located between the first material tray area and the second material tray area, and the front partition board and the rear partition board are further connected with the middle of the left.

Preferably, the left and right partition plates and the front and rear partition plates jointly enclose a T-shaped structure.

Preferably, the first jacking device and the second jacking device further comprise jacking guide rods respectively, the upper ends of the jacking guide rods are assembled on the upper partition plate and the lower partition plate, and the lower ends of the jacking guide rods penetrate through the jacking support downwards and are installed at the bottom of the frame.

Preferably, the charging tray collecting and releasing working cavity penetrates through the stock bin in the front-rear direction of the stock bin, the jacking bracket of the first jacking device is spaced from the first bearing hook in the up-down direction of the stock bin at the initial position, and the jacking bracket of the second jacking device is spaced from the second bearing hook in the up-down direction of the stock bin at the initial position.

Compared with the prior art, because the utility model discloses a charging tray jack still includes first top support device, the second top support device, first bearing hook and second bearing hook, first bearing hook hangs to adorn in the charging tray receive and releases the work intracavity and lie in respectively that the left and right sides in first charging tray district is other, second bearing hook hangs to adorn in the charging tray receive and releases the work intracavity and lie in respectively that the left and right sides in second charging tray district is other, first top support device and second top support device respectively contain install on the feed bin and the top support driver that the output arranged up and install in the top support of the output department of top support driver, the top support of first top support device lies in under first charging tray district, the top support of second top support device lies in under the second charging tray district. Therefore, in the material tray collecting and releasing process, when the external mechanical arm moves into the space enclosed by the first bearing hooks together with the material tray supported by the external mechanical arm from the bin from the back to the front direction, the external mechanical arm slides downwards out of the first bearing hooks and enters the material tray collecting and releasing working cavity, so that the material tray supported by the external mechanical arm is supported by the first bearing hooks; then, the external manipulator moves in the tray collecting and releasing working cavity to a position right below the space enclosed between the second bearing hooks; then, the external manipulator moves upwards until the external manipulator is attached to the lowest tray in the second tray area, at the moment, the second clamp releases the clamping of the tray in the second tray area, so that the lowest tray in the second tray area falls onto the external manipulator to be supported, and other trays in the second tray area are clamped again by the second clamp; finally, the external manipulator moves the material tray supported by the external manipulator out of the material bin from the front to the back direction of the material bin; the material tray which is conveyed by the external manipulator and supported on the first supporting hook is driven by a jacking driver of the first jacking device, and the material tray on the first supporting hook is upwards loaded into the first material tray area by a jacking bracket of the first jacking device; and in the process that the charging tray is put into the first charging tray area, the first clamp needs to loosen the clamping of the charging tray in the first charging tray area, and when the charging tray on the first bearing hook is put into the first charging tray area, the first clamp clamps the charging tray in the first charging tray area again. Similarly, when the external manipulator moves into the space enclosed by the second bearing hooks together with the material tray supported by the external manipulator from the back to the front direction of the storage bin, the external manipulator slides downwards out of the second bearing hooks and enters the material tray accommodating working cavity, so that the material tray supported by the external manipulator is supported by the second bearing hooks; then, the external manipulator moves in the tray collecting and releasing working cavity to a position right below a space enclosed between the first bearing hooks; then, the external manipulator moves upwards until the external manipulator is attached to the lowest tray in the first tray area, at the moment, the second clamp releases the clamping of the tray in the first tray area, so that the lowest tray in the first tray area falls onto the external manipulator to be supported, and other trays in the first tray area are clamped again by the first clamp; finally, the external manipulator moves the material tray supported by the external manipulator out of the material bin from the front to the back direction of the material bin; the material tray which is conveyed by the external manipulator and supported on the second supporting hook is driven by a jacking driver of the second jacking device, and the material tray on the second supporting hook is upwards loaded into the second material tray area by a jacking bracket of the second jacking device; and in the process that the charging tray is put into the second charging tray area, the second clamp needs to loosen the clamping of the charging tray in the second charging tray area first, and when the charging tray on the second bearing hook is put into the second charging tray area, the second clamp at the moment clamps the charging tray in the second charging tray area again. Therefore, the utility model discloses a charging tray jack has the charging tray and deposits the operation very convenient and reliable advantage. Simultaneously, the setting through first top support device and second top support device makes the receive and release position of charging tray can be according to actual need and nimble selection, promptly, first charging tray district can be the charging tray and receive the folding district, and the second charging tray district can the charging tray unloading district, vice versa.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the tray retracting mechanism of the present invention when the trays are respectively loaded in the first tray area and the second tray area.

Fig. 2 is a schematic perspective view of the tray pick and place mechanism shown in fig. 1 when the trays are separated from the first tray area and the second tray area respectively.

Fig. 3 is a schematic perspective view of another angle shown in fig. 2.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the tray retrieving and releasing mechanism 100 of the present invention includes a bin 10, a first fixture 20, a second fixture 30, a first supporting device 40, a second supporting device 50, a first supporting hook 60, and a second supporting hook 70. The bin 10 is provided with a first tray area 11, a second tray area 12 and a tray collecting and releasing working cavity 13; the first tray area 11 and the second tray area 12 are arranged side by side in a spaced manner in the left-right direction (i.e. indicated by arrow a) of the bin 10 to ensure that the trays 200 in the first tray area 11 and the trays 200 in the second tray area 12 do not interfere with each other; the tray collecting and releasing working chamber 13 is located right below the first tray area 11 and the second tray area 12, and the tray collecting and releasing working chamber 13 is further respectively communicated with the first tray area 11 and the second tray area 12 in the up-down direction (i.e. indicated by an arrow C) of the bin 10, so that a support bracket 42 described below is moved upwards into the first tray area 11 and a support bracket 52 is moved upwards into the second tray area 12, preferably, the tray collecting and releasing working chamber 13 penetrates through the bin 10 in the front-back direction of the bin 10, so that an external manipulator can move a tray 200 supported by the bin 10 into the bin 10 from the back to the front direction from the bin 10, or move the tray 200 out of the bin 10 from the front to the back direction from the bin 10, but not limited thereto. The first clamp 20 and the second clamp 30 are respectively arranged on the bin 10, and the bin 10 provides a supporting and fixing function for the first clamp 20 and the second clamp 30; the first clamp 20 is used for clamping the trays 200 in the first tray area 11, and the second clamp 30 is used for clamping the trays 200 in the second tray area 12. The first supporting hooks 60 are hung in the tray storing and releasing working cavity 13 and are respectively positioned beside the left side and the right side of the first tray area 11, and the second supporting hooks 70 are hung in the tray storing and releasing working cavity 13 and are respectively positioned beside the left side and the right side of the second tray area 12. The first jacking device 40 and the second jacking device 50 each comprise a jacking driver 41(51) which is installed on the silo 10 and the output end of the jacking driver is arranged upwards, and a jacking bracket 42(52) which is installed at the output end of the jacking driver 41 (51); the jacking bracket 42 of the first jacking device 40 is positioned right below the first panel area 11, and the jacking bracket 52 of the second jacking device 50 is positioned right below the second panel area 12. The jacking bracket 42 of the first jacking device 40 jacks the material tray 200 loaded on the first bearing hook 60 from the front-back direction of the bin 10 upwards into the first material tray area 11 under the driving of the jacking driver 41 of the first jacking device 40; or, the supporting bracket 52 of the second supporting device 50 is driven by the supporting driver 51 of the second supporting device 50 to push the material tray 200 loaded on the second supporting hook 70 from the front-back direction of the bin 10 upwards into the second material tray area 12, that is, when the first material tray area 11 is selected as the material tray storage area, the second material tray area 12 can only be the material tray blanking area, and vice versa. More specifically, the following:

as shown in fig. 3, the hook portions 61 between the first support hooks 60 are aligned with each other, which is more convenient for an outside robot to move upwards into the space enclosed between the first support hooks 60 to jack up the tray 200 at the first support hooks 60, or to transfer the tray 200 downwards to the hook portions 61 of the first support hooks 60; the hook parts 71 between the second support hooks 70 are aligned with each other, which is more convenient for an outside robot to move upwards into the space enclosed between the second support hooks 70 to jack up the tray 200 at the second support hooks 70, or to transfer the tray 200 downwards at the hook parts 71 of the second support hooks 70. Specifically, the size of the jacking bracket 42 of the first jacking device 40 in the left-right direction of the storage bin 10 is smaller than the distance between the first supporting hooks 60, so as to ensure that the jacking bracket 42 moves upwards into the space enclosed between the first supporting hooks 60 or moves out of the space enclosed between the first supporting hooks 60 smoothly; the dimension of the jacking bracket 52 of the second jacking device 50 in the left-right direction of the bin 10 is smaller than the distance between the second supporting hooks 70, so as to ensure the smoothness of the jacking bracket 52 moving upwards into the space enclosed between the second supporting hooks 70 or moving out of the space enclosed between the second supporting hooks 70, but not limited thereto.

As shown in fig. 3, the jacking driver 41(51) is a motor, the output shaft of the motor is a hollow structure, a nut structure is processed on the inner wall of the hollow structure, a screw rod 80 is inserted into the nut structure from the up-down direction (i.e. arrow C) of the bin 10, the upper end of the screw rod 80 is rotatably assembled with the jacking bracket 42(52), and the lower end of the screw rod 80 extends out of the motor downwards; therefore, in the process of rotating the output shaft of the motor, the screw nut structure of the motor is meshed with the screw rod 80 for transmission, so that the screw rod 80 is driven to move up and down relative to the screw nut structure; because the top support bracket 42(52) is rotatably assembled and connected with the upper end of the screw rod 80, the up-and-down lifting screw rod 80 can drive the top support bracket 42(52) to lift up and down, so that the top support bracket 42 can lift the material tray 200 on the first bearing hook 60 into the first material tray area 11, or the top support bracket 52 can lift the material tray 200 on the second bearing hook 70 into the second material tray area 12. In order to improve the smoothness of the up-and-down movement of the jacking leg 42(52), the first jacking device 40 and the second jacking device 50 each further include a jacking guide rod 43(53), the upper end of the jacking guide rod 43(53) is fitted to the upper and lower partition plates 10b described below, and the lower end of the jacking guide rod 43(53) passes downward through the jacking leg 42(52) and is mounted to the bottom of the frame 10a described below. In order to facilitate the switching between the first supporting hook 60 and the second supporting hook 70 by the external robot through the tray storing and releasing working chamber 13, the supporting bracket 42 of the first supporting device 40 is spaced apart from the first supporting hook 60 in the up-down direction of the magazine 10 at the initial position, and the supporting bracket 52 of the second supporting device 50 is spaced apart from the second supporting hook 70 in the up-down direction of the magazine 10 at the initial position, as shown in fig. 3.

As shown in fig. 1 to 3, the storage bin 10 includes a frame 10a and upper and lower partitions 10b located in the middle of the frame 10 a; the upper and lower partition plates 10b separate the interior of the frame 10a into the tray storing and releasing working chamber 13 and the movable chamber 14 located below the tray storing and releasing working chamber 13, and the jacking bracket 42(52) is located in the movable chamber 14, so as to avoid the external manipulator moving in the tray storing and releasing working chamber 13 from being obstructed by the jacking bracket 42(52) at the initial position shown in fig. 3 because of protruding from the tray storing and releasing working chamber 13. The jacking driver 41(51) is assembled at the bottom of the frame 10a, the first panel area 11 and the second panel area 12 are positioned at the top surface 15 of the frame 10a, and the first clamp 20 and the second clamp 30 are installed on the top surface 15 of the frame 10 a; correspondingly, a first support hook 60 and a second support hook 70 are suspended at the top of the frame 10 a. Specifically, the silo 10 further comprises left and right partition plates 10c and front and rear partition plates 10d mounted on the top surface 15 of the frame 10 a; the left and right partition plates 10c are positioned beside the rear sides of the first tray area 11 and the second tray area 12 and provide protection for the trays 200 in the first tray area 11 and the second tray area 12; the front and rear partition plates 10d are located between the first panel area 11 and the second panel area 12, and the front and rear partition plates 10d are also joined to the middle portions of the left and right partition plates 10c to separate the trays 200 of both the first panel area 11 and the second panel area 12 by the front and rear partition plates 10d, ensuring that the respective trays 200 do not interfere with each other. More specifically, the left and right partitions 10c and the front and rear partitions 10d together enclose a T-shaped structure to make the layout more reasonable, but not limited thereto.

As shown in fig. 1 and 2, the first jig 20 and the second jig 30 each include a clamp cylinder 21(31) and a holding block 22 (32). The clamping cylinders 21 of the first clamp 20 are respectively positioned beside the front side and the rear side of the first material tray area 11, the output ends between the clamping cylinders 21 of the first clamp 20 face each other, and the pressing block 22 of the first clamp 20 is installed at the output end of the clamping cylinder 21 of the first clamp 20, so that the purpose that the first clamp 20 automatically clamps or automatically releases the material trays 200 in the first material tray area 11 from the front-rear direction is achieved; the clamping cylinders 31 of the second clamp 30 are respectively positioned beside the front side and the rear side of the second tray area 12, the output ends of the clamping cylinders 31 of the second clamp 30 face each other, and the pressing block 32 of the second clamp 30 is installed at the output end of the clamping cylinder 31 of the second clamp 30, so that the purpose that the second clamp 30 automatically clamps or loosens the trays 200 in the second tray area 12 from the front-rear direction is achieved.

Compared with the prior art, because the utility model discloses a charging tray jack mechanism 100 still includes first top support device 40, second top support device 50, first bearing hook 60 and second bearing hook 70, first bearing hook 60 hangs in charging tray receive and releases the working chamber 13 and is located respectively by the left and right sides of first charging tray district 11, second bearing hook 70 hangs in charging tray receive and releases the working chamber 13 and is located respectively by the left and right sides of second charging tray district 12, first top support device 40 and second top support device 50 contain respectively install on feed bin 10 and the output department's of output portion up the top support driver 41(51) and install in the top support 42(52) of the output department of top support driver 41(5), the top support 42 of first top support device 40 is located first charging tray district 11 under, the top support 52 of second top support device 50 is located second charging tray district 12 under. Therefore, in the process of collecting and releasing the charging tray 200, when the external manipulator moves into the space enclosed between the first supporting hooks 60 together with the charging tray 200 supported by the external manipulator from the back to the front direction (i.e. the opposite direction indicated by the arrow B) of the stock bin 10, the external manipulator slides out of the first supporting hooks 60 downwards and enters the charging tray collecting and releasing working cavity 13, so that the charging tray 200 supported by the external manipulator is supported by the first supporting hooks 60; then, the external manipulator moves in the tray storing and releasing working cavity 13 to a position right below the space enclosed between the second bearing hooks 70; then, the external manipulator moves upwards again until the external manipulator is attached to the lowest tray 200 in the second tray area 12, at this time, the second clamp 30 releases the clamping of the tray 200 in the second tray area 12, so that the lowest tray 200 in the second tray area 12 falls onto the external manipulator to be supported, and other trays 200 in the second tray area 12 are clamped again by the second clamp 30; finally, the external manipulator moves the tray 200 supported by the external manipulator out of the bin 10 from the front to back direction (i.e. the direction indicated by the arrow B) of the bin 10; the tray 200 supported by the first support hook 60 and conveyed by the external manipulator is driven by the support driver 41 of the first support device 40, and the tray 200 on the first support hook 60 is loaded into the first tray area 11 upwards by the support bracket 42 of the first support device 40; in the process of loading the trays 200 into the first tray area 11, the first clamp 20 needs to release the clamping of the trays 200 in the first tray area 11, and when the trays 200 on the first support hook 60 are loaded into the first tray area 11, the first clamp 20 clamps the trays 200 in the first tray area 11 again. Similarly, when the external manipulator moves into the space enclosed between the second support hooks 70 together with the tray 200 supported by the external manipulator from the back to the front direction of the bin 10, the external manipulator slides out of the second support hooks 70 downwards and enters the tray storing and releasing working cavity 13, so that the tray 200 supported by the external manipulator is supported by the second support hooks 70; then, the external manipulator moves in the tray collecting and releasing working cavity 13 to a position right below the space enclosed between the first supporting hooks 60; then, the external manipulator moves upwards again until the external manipulator is attached to the lowest tray 200 in the first tray area 11, at this time, the second clamp 30 releases the clamping of the tray 200 in the first tray area 11, so that the lowest tray 200 in the first tray area 11 falls onto the external manipulator to be supported, and other trays 200 in the first tray area 11 are clamped again by the first clamp 20; finally, the external manipulator moves the tray 200 supported by the external manipulator out of the bin 10 from the front to the back of the bin 10; the tray 200 supported on the second supporting hook 70 and conveyed by the external manipulator is driven by the jacking driver 51 of the second jacking device 50, and the tray 200 on the second supporting hook 70 is loaded into the second tray area 12 upwards by the jacking bracket 52 of the second jacking device 50; in the process of loading the trays 200 into the second tray area 12, the second fixture 30 needs to release the clamping of the trays 200 in the second tray area 12, and when the trays 200 on the second support hook 70 are loaded into the second tray area 12, the second fixture 30 at this time clamps the trays 200 in the second tray area 12 again. Therefore, the tray retracting mechanism 100 of the present invention has the advantage that the tray 200 can be stored conveniently and reliably. Meanwhile, the placing and placing positions of the trays 200 can be flexibly selected according to actual needs by the arrangement of the first jacking device 40 and the second jacking device 50, that is, the first tray area 11 can be a tray folding area, and the second tray area 12 can be a tray blanking area, and vice versa.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. The utility model provides a charging tray jack, includes the feed bin and install in first anchor clamps and second anchor clamps on the feed bin, the feed bin has first charging tray district, second charging tray district and charging tray and receive and releases the working chamber, first charging tray district and second charging tray district are in the left and right sides direction of feed bin is spaced side by side and arranges, the charging tray receives and releases the working chamber and is located under first charging tray district and second charging tray district both, the charging tray receives and releases the working chamber still the upper and lower direction of feed bin respectively with first charging tray district and second charging tray district are linked together, first anchor clamps are used for the centre gripping charging tray in the first charging tray district, the second anchor clamps are used for the centre gripping the charging tray of second charging tray district, a serial communication port, charging tray jack still includes first top support device, second top support device, first bearing hook and second bearing hook, first bearing hook hang adorn in charging tray receive and release the working chamber and be located respectively the other left and right sides of first charging tray district The second supporting hooks are suspended in the tray retraction working cavity and are respectively positioned beside the left side and the right side of the second tray area, the first jacking device and the second jacking device respectively comprise a jacking driver which is arranged on the bin and the output end of which is arranged upwards and a jacking support which is arranged at the output end of the jacking driver, the jacking support of the first jacking device is positioned under the first tray area, and the jacking support of the second jacking device is positioned under the second tray area; the material tray on the first bearing hook is upwards pushed into the first material tray area from the front and back direction of the material bin under the driving of the jacking driver of the first jacking device, or the material tray on the second bearing hook is upwards pushed into the second material tray area from the front and back direction of the material bin under the driving of the jacking driver of the second jacking device.

2. The tray picking and placing mechanism of claim 1, wherein the hook portions of the first support hooks are aligned with each other and the hook portions of the second support hooks are aligned with each other.

3. The tray picking and placing mechanism according to claim 2, wherein the size of the first lifting support of the first lifting device in the left-right direction of the magazine is smaller than the interval between the first supporting hooks, and the size of the second lifting support of the second lifting device in the left-right direction of the magazine is smaller than the interval between the second supporting hooks.

4. The tray retraction jack according to claim 1, wherein the top holder driver is a motor, an output shaft of the motor is a hollow structure, a nut structure is machined on an inner wall of the hollow structure, a screw rod penetrates through the nut structure from the top to the bottom of the storage bin, an upper end of the screw rod is rotatably assembled with the top holder bracket, and a lower end of the screw rod extends downward out of the motor.

5. The tray picking and placing mechanism according to claim 1, wherein the magazine comprises a frame and upper and lower partitions located in the middle of the frame, the upper and lower partitions separate the inside of the frame into the tray picking and placing working chamber and a movable chamber located below the tray picking and placing working chamber, the top support is located in the movable chamber, the top support driver is assembled at the bottom of the frame, the first tray area and the second tray area are located at the top surface of the frame, and the first clamp and the second clamp are mounted on the top surface of the frame.

6. The tray retraction mechanism according to claim 5, wherein the first and second clamps each comprise a clamping cylinder and a clamping block, the clamping cylinders of the first clamp are located beside the front and rear sides of the first tray area, respectively, the output ends of the first clamp between the clamping cylinders face each other, the clamping block of the first clamp is mounted at the output end of the clamping cylinder of the first clamp, the clamping cylinders of the second clamp are located beside the front and rear sides of the second tray area, respectively, the output ends of the second clamp between the clamping cylinders face each other, and the clamping block of the second clamp is mounted at the output end of the clamping cylinder of the second clamp.

7. The tray stowing and releasing mechanism of claim 5 wherein the bin further includes a left and right partition and a front and back partition mounted to the top surface of the frame, the left and right partition being located beside the rear sides of both the first tray area and the second tray area, the front and back partition being located between the first tray area and the second tray area, the front and back partition further engaging the middle of the left and right partition.

8. The tray retracting mechanism of claim 7, wherein the left and right partitions and the front and rear partitions together define a T-shaped structure.

9. The tray picking and laying mechanism according to claim 5, wherein said first and second jacking devices further comprise jacking guide rods, the upper ends of said jacking guide rods are mounted on said upper and lower partition plates, and the lower ends of said jacking guide rods pass downward through said jacking brackets and are mounted to the bottom of said frame.

10. The tray picking and placing mechanism according to claim 1, wherein the tray picking and placing cavity extends through the bin in a front-rear direction of the bin, the first supporting hook is spaced apart from the first supporting bracket in an up-down direction of the bin when the first supporting bracket of the first lifting device is at an initial position, and the second supporting hook is spaced apart from the second supporting bracket in the up-down direction of the bin when the second supporting bracket of the second lifting device is at the initial position.

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