CN117068795A - Lower plate device for aging test and blanking conveying system - Google Patents

Abstract

The application relates to a lower plate device for aging test and a blanking transportation system, which comprises a frame, a transfer mechanism and a blanking mechanism, wherein the frame is provided with a material receiving opening and a material feeding opening; the transfer mechanism is arranged in the frame to receive the tooling plate and send the tooling plate out through the feeding port; the blanking mechanism comprises a driving assembly, a transverse hook plate rod and a hook plate, wherein the hook plate is rotationally arranged on the transverse hook plate rod, the hook plate is in a barb shape relative to the transverse hook plate rod when not subjected to a resistance force, the hook plate is folded back when being subjected to a resistance force, and the hook plate hooks the tool plate in the folded back state to achieve that the tool plate is hooked on the transfer mechanism. According to the plate blanking machine and the blanking conveying system, the automatic carrying trolley conveys the goods shelf to the plate blanking device for aging test, the unlocking device presses the locking device to unlock the tooling plate, the blanking mechanism hooks the tooling plate from the goods shelf to the conveying mechanism, the lifting device conveys the tooling plate to the position corresponding to the feeding port, and the conveying mechanism conveys the tooling plate to the receiving device, so that the blanking conveying of the tooling plate is completed.

Description

Lower plate device for aging test and blanking conveying system

Technical Field

The application relates to the field of unloading transportation, in particular to a lower plate device for ageing test and a blanking transportation system.

Background

Many cargoes in the mill need be dismantled and installed and transported, and traditional dismantlement installation transportation method adopts manual work to be the main part, however the method of manual work has inefficiency, fatigue strength height, cost of labor height scheduling problem.

Disclosure of Invention

The application provides a lower plate device for ageing tests, which aims to solve the problems of low efficiency, high fatigue strength and high labor cost caused by manual disassembly, installation and transportation of goods in the background technology.

In order to solve the technical problems, the application adopts a technical scheme that: the utility model provides a lower board device and unloading conveying system for burn-in test, a lower board device for burn-in test includes:

the rack is provided with a material receiving opening and a material feeding opening;

the transferring mechanism is arranged in the frame and positioned between the material receiving opening and the material feeding opening and is used for receiving the tooling plate and sending the tooling plate out through the material feeding opening;

the blanking mechanism comprises a driving assembly, a transverse hook plate rod and a hook plate, wherein the transverse hook plate rod is flush or lower than the carrying surface of the transferring mechanism, the transverse hook plate rod is provided with a first end and a second end, the driving assembly is used for driving the first end, the hook plate is rotationally arranged at the second end of the transverse hook plate rod, the hook plate is not subjected to resistance towards the first end, is in a barb state relative to the transverse hook plate rod and protrudes out of the carrying surface of the transferring mechanism, is in a reverse folding state relative to the transverse hook plate rod and is flush or recessed in the carrying surface of the transferring mechanism when being subjected to resistance towards the first end, the driving assembly is used for driving the transverse hook plate rod to transversely move to extend or retract the receiving port, and the hook plate is used for passing through the bottom surface of the tooling plate in the reverse folding state and hooking the end face of the tooling plate in the barb state so as to realize that the tooling plate is dragged and blanked onto the transferring mechanism.

In a specific embodiment of the present application, the transverse hook plate lever extends with a clamping plate and a rotation restricting member, the clamping plate is provided with a hinge hole for rotatably arranging the hook plate, the rotation restricting member is arranged between the clamping plates, the top of the rotation restricting member is lower than the hinge hole, and the hook plate rotates towards the top of the rotation restricting member when the transverse hook plate lever is subjected to resistance towards the first end.

In one embodiment of the application, the hook plate maintains the barb state relative to the transverse hook plate stem by a torsion spring; or the hook plates are asymmetrically arranged in a way of being heavy at one end and light at the other end, and the barb state is kept relative to the transverse hook plate rod based on natural gravity distribution.

In a specific embodiment of the present application, the lower plate device for burn-in testing includes a lifting device, where the lifting device includes a lifting frame and a gear lifting mechanism, the lifting frame is used to carry the transferring mechanism and the blanking mechanism, and the gear lifting mechanism is used to carry the lifting frame up and down to a required corresponding position.

In a specific embodiment of the application, the lifting frame is a rectangular frame, the lifting frame is arranged in the frame and is positioned between the material receiving opening and the material feeding opening, the transverse length of the lifting frame is matched with that of the transfer mechanism, a buffer is arranged in the frame corresponding to the lifting frame, and the buffer is used for stably absorbing shock when the lifting frame lifts.

In a specific embodiment of the present application, the gear lifting mechanism includes a rotating rod, a rotating gear, a toothed belt, and a connecting block, where the rotating rod is connected and fixed with the frame through a fixed pulley, the rotating gear is disposed on the rotating rod, the rotating gear rotates along with the rotation of the rotating rod, the toothed belt is disposed on the rotating gear and lifts along with the rotation of the rotating gear, and the toothed belt is connected with the lifting frame through the connecting block.

In a specific embodiment of the present application, the driving component of the blanking mechanism may adopt a sliding structure or a gear transmission structure.

In a specific embodiment of the present application, the transferring mechanism includes a conveyor belt structure and a transferring motor, the transferring motor is disposed below the lifting frame, and the transferring motor controls the conveyor belt structure to transport the tooling plate.

In a specific embodiment of the present application, the blanking mechanism is disposed in the middle of the transferring mechanism.

The blanking transportation system comprises:

lower plate device for burn-in test;

the carrying device comprises an automatic carrying trolley, a goods shelf and a locking device, wherein the automatic carrying trolley is used for carrying the goods shelf to the front of the material receiving opening of the lower plate device for burn-in testing, the goods shelf is used for carrying the tooling plate, the locking device is elastically connected with the goods shelf, and the locking device is used for locking the tooling plate so as to prevent the tooling plate from falling;

the unlocking device is arranged on the outer part of the frame of the lower plate device for aging test, and the unlocking device presses down the locking device to unlock the fixing of the tooling plate;

and the receiving device corresponds to the feeding port of the lower plate device for burn-in test and is used for receiving the tooling plate sent out by the feeding port.

The beneficial effects of the application are as follows: according to the lower plate device for the aging test and the blanking transportation system, the unlocking device unlocks the tooling plate on the carrying device, the blanking mechanism transports the tooling plate from the goods shelf to the transferring mechanism, and the transferring mechanism transports the tooling plate to the receiving device to complete the blanking transportation function of the tooling plate, so that the lower plate device for the aging test is novel in structure and high in automation degree, the working efficiency is greatly improved, and the labor cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic structural diagram of a blanking conveying system according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a lower plate apparatus for burn-in testing according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a rack structure of a lower plate device for burn-in testing according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a transfer mechanism of a lower plate apparatus for burn-in testing according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a blanking mechanism of a lower plate device for burn-in testing according to an embodiment of the present application;

fig. 6 is a schematic enlarged partial view of a blanking mechanism of a lower plate device for burn-in testing according to an embodiment of the present application;

FIG. 7 is an enlarged schematic view of a lifting device of a lower plate device for burn-in testing according to an embodiment of the present application;

fig. 8 is a schematic structural view of a carrying device of the blanking conveying system according to an embodiment of the present application;

fig. 9 is a schematic structural view of a locking device according to an embodiment of the present application.

Reference numerals illustrate: 10. lower plate device for burn-in test; 20. a carrying device; 21. automatic carrying trolley; 22. a goods shelf; 23. a locking device; 24. a vertical rod; 25. a cross bar; 26. a through groove; 30. unlocking means; 40. a receiving device; 50. a tooling plate; 100. a frame; 110. a material receiving port; 120. a feeding port; 130. a buffer; 200. a transfer mechanism; 210. a conveyor belt structure; 220. a transfer motor; 300. a blanking mechanism; 310. a drive assembly; 312. a sliding rail; 314. a sliding plate; 316. a connecting plate; 318. rotating the belt; 320. a transverse hook plate bar; 322. a clamping plate; 324. a rotation restraint; 330. a hook plate; 400. a lifting device; 410. a lifting frame; 420. a gear lifting mechanism; 422. a rotating lever; 424. rotating the gear; 426. toothed belt; 428. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

As shown in fig. 2 to 7, the present application provides a lower plate device 10 for burn-in testing, wherein the lower plate device 10 for burn-in testing comprises a frame 100, a transfer mechanism 200, and a blanking mechanism 300.

The frame 100 is provided with a material receiving opening 110 and a material feeding opening 120, the material receiving opening 110 and the material feeding opening 120 are arranged at the front end and the rear end of the frame 100 at intervals, and the material receiving opening 110 and the material feeding opening 120 are not on the same horizontal plane and have different opening sizes.

The transfer mechanism 200 is disposed in the frame 100 and between the receiving opening 110 and the feeding opening 120, and is used for receiving the tooling plate 50 and delivering the tooling plate 50 out through the feeding opening 120, and the carrying surface of the transfer mechanism 200 is flush with or lower than the bottom surface of the tooling plate 50.

The blanking mechanism 300 comprises a driving component 310, a transverse hook plate rod 320 and a hook plate 330, wherein the transverse hook plate rod 320 is flush with or lower than the carrying surface of the transferring mechanism 200, the transverse hook plate rod 320 is provided with a first end and a second end, the driving component 310 is used for driving the first end, the hook plate 330 is rotatably arranged at the second end of the transverse hook plate rod 320, the hook plate 330 is in a barb state relative to the transverse hook plate rod 320 and protrudes out of the carrying surface of the transferring mechanism 200 when not receiving resistance towards the first end, the hook plate 330 is in a reverse folding state relative to the transverse hook plate rod 320 and is flush with or recessed in the carrying surface of the transferring mechanism 200 when receiving resistance towards the first end, the driving component 310 is used for driving the transverse hook plate rod 320 to move transversely to extend or retract the receiving port 110, and the hook plate 330 is used for passing through the bottom surface of the tooling plate 50 in the reverse folding state and hooking the end face of the tooling plate 50 in the barb state so as to realize that the tooling plate 50 is hooked and is blanked onto the transferring mechanism 200.

As shown in fig. 5 and 6, the transverse hook plate lever 320 is extended with a clamping plate 322 and a rotation constraint member 324, in this embodiment, the extension portion is connected with the transverse hook plate lever 320, although an extension arm may be integrally provided with the transverse hook plate lever 320, the clamping plate 322 is provided with a hinge hole for rotatably providing the hook plate 330, the rotation constraint member 324 is disposed between the clamping plates 322, the rotation constraint member 324 is used for enabling the hook plate 330 to be in a barb state after hooking the tooling plate 50, the top of the rotation constraint member 324 is lower than the hinge hole, and the top of the rotation constraint member 324 is rotated towards the top of the rotation constraint member 324 when the hook plate 330 is subjected to resistance towards the first end, so as to be close to a folded state and flush with or sunken in a carrying surface of the transfer mechanism 200.

As shown in fig. 6, the hooking plate 330 maintains a barbed state with respect to the lateral hooking plate lever 320 by a torsion spring; or the hooking plate 330 is asymmetrically arranged with one end being heavy and the other end being light, and the barb state is kept relative to the transverse hooking plate 330 based on natural gravity distribution, and the hooking plate 330 is asymmetrically arranged with one end being heavy and the other end being light in the embodiment.

As shown in fig. 1, 2 and 7, the lower plate device 10 for burn-in test includes a lifting device 400, the lifting device 400 includes a lifting frame 410 and a gear lifting mechanism 420, the lifting frame 410 is used for carrying the transferring mechanism 200 and the blanking mechanism 300, the gear lifting mechanism 420 is used for carrying the lifting frame 410 up and down to the required corresponding positions, in this embodiment, the tooling plates 50 are placed on different layers of the shelves 22, the gear lifting mechanism 420 sequentially lifts the lifting frame 410 to the corresponding layers, hooks the tooling plates 50 with the layers onto the transferring mechanism 200, lifts the tooling plates 50 to the height corresponding to the discharge hole, and conveys the tooling plates 50 to the receiving device 40.

As shown in fig. 3 and 7, the lifting frame 410 is a rectangular frame, the lifting frame 410 is disposed in the frame 100 and is located between the material receiving opening 110 and the material feeding opening 120, the transverse length of the lifting frame 410 is matched with the transverse length of the transferring mechanism 200, in this embodiment, two parallel transferring mechanisms 200 are disposed in the lifting frame 410, three four transferring mechanisms 200 may be disposed in the lifting frame 410 if the frame 100 is large enough, the buffer 130 is disposed in the frame 100 corresponding to the lifting frame 410, the buffer 130 is used for stable shock absorption when the lifting frame 410 is lifted, and in this embodiment, four buffers 130 are disposed above and below the lifting frame 410 of the frame 100, and five and six different transferring mechanisms may be disposed.

As shown in fig. 7, the gear lifting mechanism 420 includes a rotating rod 422, a rotating gear 424, a toothed belt 426 and a connecting block 428, the rotating rod 422 is connected and fixed with the frame 100 through a fixed pulley, the rotating rod 422 is rotated by a gear pair, the rotating gear 424 is arranged on the rotating rod 422, the rotating gear 424 rotates along with the rotation of the rotating rod 422, the toothed belt 426 is arranged on the rotating gear 424 and rotates along with the rotating gear 424, the connecting block 428 is arranged on the outer surface of the lifting frame 410, the connecting block 428 is connected with the toothed belt 426, the toothed belt 426 is connected with the lifting frame 410 through the connecting block 428, the connecting block 428 lifts along with the rotation of the toothed belt 426, and then drives the lifting frame 410 to lift, a sliding wheel is arranged on the gear lifting mechanism 420, and the sliding wheel lifts smoothly along with a V-shaped sliding rail arranged beside the auxiliary lifting frame.

As shown in fig. 5, the driving component 310 of the blanking mechanism 300 may adopt a sliding structure or a gear transmission structure, in this embodiment, a sliding structure is adopted, the driving component 310 includes a sliding rail 312, a sliding plate 314, a connecting plate 316 and a rotating belt 318, the sliding rail 312 is disposed beside the rotating belt 318, the sliding plate 314 is mounted on the sliding rail 312 for sliding back and forth, a transverse hook plate rod 320 is disposed on the sliding plate 314, the connecting plate 316 is mounted on the rotating belt 318 in a clamping manner, the connecting plate 316 is engaged with the sliding plate 314 in a clamping manner, the blanking motor controls the rotating belt 318 to rotate, the connecting plate 316 on the rotating belt 318 moves back and forth along with the rotation of the rotating belt 318, and then drives the sliding plate 314 to slide back and forth on the sliding rail 312, so as to extend or retract the transverse hook plate rod 320 into the material receiving opening 110.

As shown in fig. 4, the transferring mechanism 200 includes a conveyor belt structure 210 and a transferring motor 220, the transferring motor 220 is disposed below the lifting frame 410, the transferring motor 220 controls the conveyor belt structure 210 to transport the tooling plate 50, and the blanking mechanism 300 is disposed in the middle of the transferring mechanism 200 to hook the tooling plate 50 out and then the tooling plate 50 is directly located on the carrying surface of the transferring mechanism 200.

As shown in fig. 1 to 9, the present application provides a discharging transport system including a lower plate device 10 for burn-in test, a carrying device 20, an unlocking device 30, and a receiving device 40.

The lower plate device 10 for burn-in testing comprises a frame 100, a transfer mechanism 200 and a blanking mechanism 300. The frame 100 is provided with a material receiving opening 110 and a material feeding opening 120, the material receiving opening 110 and the material feeding opening 120 are arranged at the front end and the rear end of the frame 100 at intervals, and the material receiving opening 110 and the material feeding opening 120 are not on the same horizontal plane and have different opening sizes. The transfer mechanism 200 is disposed in the frame 100 and between the receiving opening 110 and the feeding opening 120, and is used for receiving the tooling plate 50 and delivering the tooling plate 50 out through the feeding opening 120, and the carrying surface of the transfer mechanism 200 is flush with or lower than the bottom surface of the tooling plate 50. The blanking mechanism 300 comprises a driving component 310, a transverse hook plate rod 320 and a hook plate 330, wherein the transverse hook plate rod 320 is flush with or lower than the carrying surface of the transferring mechanism 200, the transverse hook plate rod 320 is provided with a first end and a second end, the driving component 310 is used for driving the first end, the hook plate 330 is rotatably arranged at the second end of the transverse hook plate rod 320, the hook plate 330 is in a barb state relative to the transverse hook plate rod 320 and protrudes out of the carrying surface of the transferring mechanism 200 when not receiving resistance towards the first end, the hook plate 330 is in a reverse folding state relative to the transverse hook plate rod 320 and is flush with or recessed in the carrying surface of the transferring mechanism 200 when receiving resistance towards the first end, the driving component 310 is used for driving the transverse hook plate rod 320 to move transversely to extend or retract the receiving port 110, and the hook plate 330 is used for passing through the bottom surface of the tooling plate 50 in the reverse folding state and hooking the end face of the tooling plate 50 in the barb state so as to realize that the tooling plate 50 is hooked and is blanked onto the transferring mechanism 200.

The carrying device 20 comprises an automatic carrying trolley 21, a goods shelf 22 and a locking device 23, in this embodiment, the automatic carrying trolley 21 is used for carrying the goods shelf 22 to the front of a material receiving opening 110 of the lower plate device 10 for aging test, the goods shelf 22 is used for carrying the tooling plates 50, in this embodiment, the goods shelf 22 is divided into three layers, each layer is provided with two tooling plates 50, the material receiving opening 110 corresponds to the three layers of tooling plates 50 on the goods shelf 22, the tooling plates 50 are fixed on the goods shelf 22 by the locking device 23, the locking device 23 is elastically connected with the goods shelf 22, the locking device 23 is in a diastole state relative to the goods shelf 22 in a natural state, and the locking device 23 blocks the end face of the tooling plates 50 so as to lock the tooling plates 50 to prevent the tooling plates 50 from falling. The locking device 23 comprises a vertical rod 24 and a cross rod 25, a layer of buffer sleeve 27 is sleeved outside the cross rod 25, a through groove 26 is formed in the goods shelf 22, the vertical rod 24 is vertically connected with the cross rod 25, the cross rod 25 is inserted into the through groove 26, the locking device 23 is elastically connected with the goods shelf 22, in a natural state, the cross rod 25 is positioned at the uppermost part of the through groove 26 and is flush with the tooling plate 50 to lock the tooling plate 50 due to elastic force, and when the vertical rod 24 is pressed down, the cross rod 25 moves to the lower end of the through groove 26 to unlock the tooling plate 50.

The unlocking device 30 is arranged on the outside of the frame 100 of the lower plate device 10 for aging test and correspondingly arranged above the locking device 23, the unlocking device 30 presses down the locking device 23 to unlock the fixture plate 50, in this embodiment, the unlocking device 30 is a telescopic cylinder, when the goods shelf 22 is conveyed to the material receiving port 110 by the automatic carrying trolley 21, the locking device 23 and the telescopic cylinder are positioned on the same vertical line, at the moment, the telescopic cylinder presses down the locking device 23, so that the locking device 23 is in a compressed state relative to the goods shelf 22, at the moment, the locking device 23 unlocks the end face of the fixture plate 50, and the fixture plate 50 can be smoothly used for the lower plate device 10 for aging test.

The receiving device 40 corresponds to the feeding port 120 of the lower plate device 10 for burn-in testing, the receiving device 40 is used for receiving the tooling plate 50 sent out by the feeding port 120, in this embodiment, the receiving device 40 adopts a double-speed chain, and the receiving device 40 receives the tooling plate 50 and then transports the tooling plate to a subsequent station.

In summary, as will be readily understood by those skilled in the art, in the lower plate device 10 and the blanking transport system for burn-in test provided by the present application, before the automatic carrying trolley 21 transports the pallet 22 to the receiving opening 110 of the lower plate device 10 for burn-in test, the three layers of tooling plates 50 on the pallet 22 are matched and corresponding to the positions of the receiving opening 110, at this time, the unlocking device 30 and the locking device 23 are located on the same vertical line, the unlocking device 30 presses the locking device 23 to unlock the tooling plates 50, at this time, the blanking mechanism 300 hooks the tooling plates 50 from the pallet 22 to the transporting mechanism 200, the lifting device 400 transports the tooling plates to the position corresponding to the feeding opening 120, the transporting mechanism 200 transports the tooling plates 50 to the receiving device 40, that is, the blanking transport of the tooling plates 50 is completed, and because the transverse hook plate rods 320 in the blanking mechanism 300 are flush with or lower than the carrying surface of the transporting mechanism 200, the hook plate 330 is used to pass through the bottom surface of the tooling plates 50 in a folded state and hook the end surface of the tooling plates 50 in a barbed state, thereby realizing that the tooling plates 50 are hooked and automatically and unloaded to the transporting mechanism 200, the blanking process is greatly saved, and the blanking cost is greatly increased.

The above examples of the present application are only illustrative of the present application and are not intended to limit the embodiments of the present application. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A lower plate device (10) for burn-in testing, characterized in that the lower plate device (10) for burn-in testing comprises:

the machine frame (100) is provided with a material receiving opening (110) and a material feeding opening (120);

the transferring mechanism (200) is arranged in the frame (100) and positioned between the receiving opening (110) and the feeding opening (120) and is used for receiving the tooling plate (50) and sending the tooling plate (50) out through the feeding opening (120);

unloading mechanism (300), including drive assembly (310), horizontal hook plate pole (320), collude board (330), horizontal hook plate pole (320) flush or be less than the carrying surface of transport mechanism (200), horizontal hook plate pole (320) have first end and second end, drive assembly (310) are used for the drive first end, collude board (330) rotatablely locate the second end of horizontal hook plate pole (320), collude board (330) do not receive when being faced towards the resistance of first end relative horizontal hook plate pole (320) are barb state and protruding in the carrying surface of transport mechanism (200), collude board (330) receive when being faced towards the resistance of first end relative horizontal hook plate pole (320) are fold back state and flush or concave in the carrying surface of transport mechanism (200), drive assembly (310) are used for the drive horizontal hook plate pole (320) are moved in order to stretch out or retract receiving port (110), collude board (330) are used for fold back state and are followed frock (50) and are carried out to the end face by the tool (50) to the hook plate under the realization of the barb state.

2. The lower plate device (10) for burn-in testing according to claim 1, wherein the lateral hook plate bar (320) extends with a clamping plate (322) and a rotation restraint (324), the clamping plate (322) being provided with hinge holes for rotatably arranging the hook plate (330), the rotation restraint (324) being arranged between the clamping plates (322), the top of the rotation restraint (324) being lower than the hinge holes, the hook plate (330) being rotated closer towards the top of the rotation restraint (324) when being subjected to a resistance towards the first end.

3. The lower plate device (10) for burn-in testing according to claim 2, wherein:

the hook plate (330) maintains the barb state relative to the transverse hook plate stem (320) through a torsion spring; or alternatively

The hook plate (330) is asymmetrically arranged one end of the hook plate is heavy and the other end of the hook plate is light, and the barb state is kept relative to the transverse hook plate rod (320) based on natural gravity distribution.

4. The lower plate device (10) for burn-in testing according to claim 1, wherein the lower plate device (10) for burn-in testing comprises a lifting device (400), the lifting device (400) comprises a lifting frame (410) and a gear lifting mechanism (420), the lifting frame (410) is used for carrying the transferring mechanism (200) and the blanking mechanism (300), and the gear lifting mechanism (420) is used for carrying the lifting frame (410) up and down to the required corresponding positions.

5. The lower plate device (10) for burn-in testing according to claim 4, wherein the lifting frame (410) is a rectangular frame, the lifting frame (410) is arranged in the frame (100) and is located between the material receiving opening (110) and the material feeding opening (120), the transverse length of the lifting frame (410) is matched with the transverse length of the transferring mechanism (200), a buffer (130) is arranged in the frame (100) corresponding to the lifting frame (410), and the buffer (130) is used for stably absorbing shock when the lifting frame (410) is lifted.

6. The lower plate device (10) for burn-in testing according to claim 5, wherein the gear lifting mechanism (420) comprises a rotating rod (422), a rotating gear (424), a toothed belt (426) and a connecting block (428), the rotating rod (422) is connected and fixed with the frame (100) through a fixed pulley, the rotating gear (424) is arranged on the rotating rod (422), the rotating gear (424) rotates along with the rotation of the rotating rod (422), the toothed belt (426) is arranged on the rotating gear (424) and lifts along with the rotation of the rotating gear (424), and the toothed belt (426) is connected with the lifting frame (410) through the connecting block (428).

7. The lower plate device (10) for burn-in testing according to claim 1, wherein the drive assembly (310) of the blanking mechanism (300) may be of a sliding structure or a gear transmission structure.

8. The lower plate device (10) for burn-in testing according to claim 4, wherein the transfer mechanism (200) comprises a conveyor belt structure (210) and a transfer motor (220), the transfer motor (220) being disposed below the lifting frame (410), the transfer motor (220) controlling the conveyor belt structure (210) to transport the tooling plate (50).

9. The lower plate device (10) for burn-in testing according to claim 1, wherein the blanking mechanism (300) is provided in the middle of the transfer mechanism (200).

10. A blanking transport system, characterized in that the blanking transport system comprises:

the lower plate device (10) for burn-in testing according to any one of claims 1 to 9;

a carrying device (20) comprising an automatic carrying trolley (21), a goods shelf (22) and a locking device (23), wherein the automatic carrying trolley (21) is used for carrying the goods shelf (22) to the front of the material receiving opening (110) of the lower plate device (10) for aging test, the goods shelf (22) is used for carrying the tooling plate (50), the locking device (23) is elastically connected with the goods shelf (22), and the locking device (23) is used for locking the tooling plate (50) to prevent the tooling plate (50) from falling;

the unlocking device (30) is arranged on the outside of the rack (100) of the lower plate device (10) for aging test, and the unlocking device (30) presses down the locking device (23) to unlock the fixture plate (50);

and the receiving device (40) corresponds to the feeding port (120) of the lower plate device (10) for burn-in test, and the receiving device (40) is used for receiving the tooling plate (50) fed out by the feeding port (120).