APC tray conveying trolley

Abstract

The utility model relates to the technical field of automobile production workshop conveying equipment, in particular to an APC tray conveying trolley which comprises a frame, a conveying device, a first blocking piece, a second blocking piece and an operating piece. One end of the frame is a second end, and the other end is a first end; the first blocking piece is rotationally connected with the first end of the frame, the second blocking piece is rotationally connected with the second end of the frame, when the second blocking piece rotates to the blocking state, the second blocking piece is higher than the bottom face of the tray and abuts against the end face of the tray, and when the second blocking piece rotates to the non-blocking state, the second blocking piece is lower than the bottom face of the tray. One end of the operation part is rotatably connected with the second blocking piece, and the other end abuts against the first end. According to the utility model, the tray can be effectively prevented from sliding on the conveyor trolley, and the transfer safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile production workshop conveying equipment, more particularly to an APC tray conveying trolley. BACKGROUND

[0002] With the increasing scale of automobile production in China, the global market competition, and the diversification of customer and market demand, the automobile production cycle is becoming shorter and shorter. However, in the welding workshop of automobile manufacturing, some conveying systems are often needed to improve production efficiency and reduce manufacturing cost. In the APC (accumulation type tray circulating conveyor, used for the conveying and buffering of workpieces in automation) application field of automobile welding workshop, the tray on the APC makes a circulating motion in the equipment to continuously convey workpieces.

[0003] The existing APC tray conveying trolley places the tray on the conveying trolley first, and then manually pushes the trolley for transfer and placement. However, this will cause a problem: when the tray is placed on the conveyor belt, the tray will slide on the conveyor trolley belt due to inertia during the process of pushing the conveying trolley by the worker, which may seriously slide out of the conveyor belt and accidentally injure the worker, causing great safety hazards. SUMMARY

[0004] The utility model aims at overcoming the problem of the existing APC tray conveying trolley, i.e., the tray will slide on the conveyor trolley belt due to inertia during the process of manually pushing the trolley for transfer and placement, which may seriously slide out of the conveyor belt and accidentally injure the worker, and provides an APC tray conveying trolley that can effectively prevent the tray from sliding on the conveyor trolley and improve the safety of transfer.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] The utility model provides an APC tray conveying trolley, which comprises a frame and a conveying device, the conveying device is installed on the frame, further comprises a first blocking piece, a second blocking piece and an operating piece, one end of the frame is a second end, the other end is a first end, the first blocking piece is connected with the first end of the frame, the second blocking piece is rotationally connected with the second end of the frame, when the second blocking piece rotates to a blocking state, the highest point of the second blocking piece is higher than the top surface of the conveying device and is used for abutting against the end surface of the tray, when the second blocking piece rotates to a non-blocking state, the highest point of the second blocking piece is lower than the top surface of the conveying device, one end of the operating part is rotationally connected with the second blocking piece, and the other end abuts against the first end.

[0007] In the working process of the above scheme, when the pallet needs to be transferred, first place several pallets on the trolley in sequence, place the first pallet on the conveying device, make the end face of the first pallet abut against the end face of the first blocking piece, then place other pallets on the conveying device in sequence, after the pallets are full, drive the operating part, the operating part drives the second blocking piece to rotate, so that the highest point of the second blocking piece rotates to be higher than the top surface of the conveying device and abuts against the end face of the last pallet to enter the blocking state, the top of the second blocking piece presses the end face of the pallet, in the process of movement of the trolley, when the pallet moves on the conveying device due to inertia, the first blocking piece and the second blocking piece block the pallet at both ends of the trolley to prevent it from falling off.

[0008] Further, the first mounting seat is arranged at the first end of the frame, and the operating part is in contact with the first mounting seat.

[0009] Further, the operating part is a rod-shaped part, the operating part comprises a thick rod part, a thin rod part connected to the end of the thick rod part, and a handle for operating the whole operating part, the thin rod part is rotationally connected with the second blocking piece, and the handle is connected with the other end of the thick rod part; the first mounting seat is provided with an upper mounting groove and a lower mounting groove, the top of the lower mounting groove is in communication with the upper mounting groove, and the top of the upper mounting groove is an opening; when the second blocking piece is in the blocking state, the thin rod part is inserted into the lower mounting groove, and the end face of the thick rod part abuts against the end face of the first mounting seat; when the second blocking piece is in the non-blocking state, the thick rod part is inserted into the upper mounting groove; the operator holds the handle to drive the operating part, the profile of the lower mounting groove is fitted with the thick rod part, the profile of the upper mounting groove is fitted with the thick rod part, the protruding part of the thick rod part relative to the thin rod part is a boss, when the second blocking piece rotates to the blocking state, the thin rod part is fitted with the lower mounting groove, and the end face of the protruding boss of the thick rod part is in contact with the end face of the first mounting seat to limit the operating part, thereby limiting the second blocking piece, so that the second blocking piece does not fall to the non-blocking state when being stressed.

[0010] Further, the second mounting seat is arranged at the second end of the frame, and the other end of the second mounting seat is rotationally connected with the second blocking piece; the frame and the second blocking piece are rotationally connected through the second mounting seat, so that the frame is more convenient to process.

[0011] Further, the top end of the second blocking piece is provided with an abutting part which can be used to abut against the end face of the external tray, and the bottom end of the second blocking piece is provided with a limiting part which abuts against the second mounting base when the second blocking piece rotates to the non-blocking state. The abutting part can be a block-shaped part or a screw, which is used to contact the end face of the tray and block the tray from sliding down due to inertia.

[0012] Further, the third blocking piece is installed on the opposite sides of the top of the frame, and a plurality of third blocking pieces are arranged on the top of the frame. When the tray cannot be placed in the entire placing space of the frame, the second blocking piece cannot contact and limit the tray, and the plurality of third blocking pieces can limit the tray according to the actual placement.

[0013] Further, the third blocking piece is provided with a fixing part and a blocking part, the fixing part is fixedly connected with the frame, the blocking part is installed on the fixing part and is rotationally connected with the fixing part, and the end face of the blocking part is used to abut against the end face of the tray when the blocking part is in the blocking state. The fixing part is used to fix the entire third blocking piece on the frame, and the blocking part is a block-shaped part which can protrude above the bottom surface of the tray to limit the tray when the blocking part is in the blocking state.

[0014] Further, the third blocking piece is provided with a fixing part and a blocking part, the fixing part is fixedly connected with the frame, the blocking part is installed on the fixing part and is rotationally connected with the fixing part, and the end face of the blocking part is used to abut against the end face of the tray when the blocking part is in the blocking state. The fixing part is used to fix the entire third blocking piece on the frame, and the blocking part is a block-shaped part which can protrude above the bottom surface of the tray to limit the tray when the blocking part is in the blocking state.

[0015] Further, the conveying device comprises a guide wheel strip and a conveying belt, the guide wheel strip is installed on the opposite two side frame of the frame, the conveying belt is installed between the two guide wheel strips and is fixedly connected with the top end of the frame, the second end bottom of the frame is provided with a docking part for docking with the external fixed docking part, the docking part comprises a docking plate and a docking claw located on the opposite sides of the frame, when the docking part is docked, the docking claw and the docking plate are in contact with the external; after the trolley moves to the working position, the docking claw and the docking plate are in contact with the external, the tray is manually pushed from the first end to the second end, the guide wheel strip plays a guiding role on the tray to avoid the tray from sliding on the conveying belt, wherein the top surface of the conveying device refers to the top surface of the conveying belt, the first end of the frame can also be provided with a trolley handrail, the operator can hold the trolley handrail to move the whole trolley, the first end of the frame bottom can also be provided with a fixed pedal, which plays a role in that when the trolley is in a working state, the fixed pedal is manually stepped, the whole trolley is lifted up, the wheels of the trolley are separated from the ground, and the trolley is prevented from moving under force in the working state, the docking plate is used for buffering the impact force between the trolley and the external when docking, and one docking claw is arranged on each side of the frame, and the docking claw is connected with the external structure in a clamped manner when docking.

[0016] Further, it also comprises a tray body, the tray body is installed on the conveying device, the tray body comprises a plug-in block and a connecting piece, one end of the connecting piece is fixedly connected with the tray body, and the other end is detachably connected with the plug-in block; the plug-in block has many forms, and one plug-in block corresponds to one vehicle type, which plays a role in that it is in contact with the shape of the workpiece to fix the whole workpiece, when the plug-in block is replaced, the plug-in block and the connecting piece are screw connected, the plug-in block is screwed out of the connecting piece, and then the corresponding other plug-in block can be replaced without replacing the whole tray body.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The trolley comprises a frame and a conveying device, the conveying device is installed on the frame, and further comprises a first blocking piece, a second blocking piece and an operating part; one end of the frame is a second end, and the other end is a first end; the first blocking piece is rotationally connected with the first end of the frame, the second blocking piece is rotationally connected with the second end of the frame, when the second blocking piece is rotated to a blocking state, the height of the second blocking piece is greater than the bottom surface of the tray and abuts against the end surface of the tray, when the second blocking piece is rotated to a non-blocking state, the height of the second blocking piece is lower than the bottom surface of the tray, one end of the operating part is rotationally connected with the second blocking piece, and the other end abuts against the first end; during the movement of the trolley, when the tray moves on the conveying device due to inertia, the first blocking piece and the second blocking piece can block the tray at the two ends of the trolley to prevent the tray from falling off.

[0019] 2. By setting several third blocking pieces, the third blocking pieces are installed on the opposite sides of the top of the frame; the third blocking pieces are provided with several on the top of the frame, when the tray cannot be placed in the entire placing space of the frame, the third blocking pieces can limit the tray according to the actual placement. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the APC tray conveying trolley;

[0021] Figure 2 It is a structural schematic view of the second blocking piece, the operating piece, the first mounting seat and the second mounting seat of the APC tray conveying trolley;

[0022] Figure 3 It is a structural schematic view of the second blocking piece of the APC tray conveying trolley;

[0023] Figure 4 It is a connection structural schematic view of the first mounting seat and the operating piece of the APC tray conveying trolley;

[0024] Figure 5 It is a structural schematic view of the third blocking piece of the APC tray conveying trolley;

[0025] Figure 6 It is a perspective view of the tray main body of the APC tray conveying trolley.

[0026] In the drawings: 100, frame; 110, first mounting seat; 111, upper mounting groove; 112, lower mounting groove; 120, second mounting seat; 130, butt joint part; 131, butt joint claw; 132, butt joint plate; 200, conveying device; 210, guide wheel strip; 220, conveying belt; 300, first blocking piece; 400, second blocking piece; 410, limiting part; 420, abutting part; 500, operating piece; 521, thick rod part; 522, thin rod part; 523, handle; 600, third blocking piece; 610, fixing part; 620, blocking part; 700, bolt piece; 800, tray main body; 810, plug-in block; 820, connecting piece. DETAILED DESCRIPTION

[0027] The utility model will be further explained in combination with specific implementation. Among them, the drawings are only for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation to the patent; in order to better explain the embodiment of the utility model, the drawings of some components will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their description in the drawings can be omitted.

[0028] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0029] Embodiment 1

[0030] The present embodiment is a first embodiment of an APC tray conveying trolley, as shown in Figures 1 to 4 the drawing, comprising a frame 100 and a conveying device 200, the conveying device 200 is installed on the frame 100, further comprising a first blocking piece 300, a second blocking piece 400 and an operating piece 500; one end of the frame 100 is a second end, and the other end is a first end; the first blocking piece 300 is connected with the first end of the frame 100, and the second blocking piece 400 is rotatably connected with the second end of the frame 100, when the second blocking piece 400 is rotated to a blocking state, the highest point of the second blocking piece 400 is higher than the top surface of the conveying device 200 and is used to abut against the end surface of the tray, when the second blocking piece 400 is rotated to a non-blocking state, the highest point of the second blocking piece 400 is lower than the top surface of the conveying device 200, one end of the operating part is rotatably connected with the second blocking piece 400, and the other end abuts against the first end.

[0031] Specifically, it further comprises a first mounting seat 110 mounted on the first end of the frame 100, the first mounting seat 110 is in contact with the operating piece 500; the first mounting seat 110 is used for placing the operating piece 500, after the operator drives the operating piece 500 to make the second blocking piece 400 enter the blocking state or the non-blocking state, one end of the operating piece 500 away from the second blocking piece 400 is placed on the first mounting seat 110.

[0032] Specifically, the operating member 500 is a rod-shaped member, the operating member 500 comprises a thick rod part 521, a thin rod part 522 connected to the end of the thick rod part 521, and a handle 523 for operating the entire operating part, the thin rod part 522 is rotationally connected with the second blocking member 400, and the handle 523 is connected with the other end of the thick rod part 521; the first mounting seat 110 is provided with an upper mounting groove 111 and a lower mounting groove 112, the top of the lower mounting groove 112 is communicated with the upper mounting groove 111, the top of the upper mounting groove 111 is an opening, when the second blocking member 400 is in the blocking state, the thin rod part 522 is inserted into the lower mounting groove 112, and the end surface of the thick rod part 521 abuts against the end surface of the first mounting seat 110, when the second blocking member 400 is in the non-blocking state, the thick rod part 521 is inserted into the upper mounting groove 111; an operator holds the handle 523 to drive the operating member 500, the profile of the lower mounting groove 112 is fitted with the washing rod part, the profile of the upper mounting groove 111 is fitted with the thick rod part 521, the protruding part of the thick rod part 521 relative to the thin rod part 522 is a boss, when the second blocking member 400 is rotated to the blocking state, the thin rod part 522 is fitted with the lower mounting groove 112, and the end surface of the boss of the thick rod part 521 is in contact with the end surface of the first mounting seat 110 to form a limit for the operating member 500, thereby limiting the second blocking member 400, so that the second blocking member 400 is prevented from falling to the non-blocking state under force.

[0033] Specifically, the second mounting seat 120 is further included, one end of the second mounting seat 120 is fixedly connected with the second end of the frame 100, and the other end is rotationally connected with the second blocking member 400; the frame 100 and the second blocking member 400 are rotationally connected through the second mounting seat 120, without needing to process a rotational connection structure on the frame 100, the processing of the frame 100 is more convenient.

[0034] Specifically, the top end of the second blocking member 400 is provided with an abutting part 420 which can be used for abutting against the end surface of an external tray, and the bottom end of the second blocking member 400 is provided with a limiting part 410, when the second blocking member 400 is rotated to the non-blocking state, the limiting part 410 abuts against the second mounting seat 120; the abutting part 420 can be a block-shaped member or a screw, which is used for contacting the end surface of the tray to block the tray from sliding down due to inertia.

[0035] The working principle of the APC tray conveying trolley in the embodiment is as follows:

[0036] The first tray is placed on the conveying device 200 first, and the end surface of the tray abuts against the end surface of the first blocking piece 300, and then the other trays are placed on the conveying device 200 in sequence. The operator holds the handle 523 and pulls the operating piece 500 in the first end direction. The operating piece 500 drives the second blocking piece 400 to rotate on the second mounting seat 120, so that the limiting part 410 is in contact with the end surface of the tray to enter the blocking state. At the same time, the thin rod part 522 is in contact with the lower mounting groove 112, and the end surface of the boss formed by the thick rod part 521 is in contact with the end surface of the first mounting seat 110 to limit the rotation of the second blocking piece 400.

[0037] The beneficial effects of the embodiment are as follows: during the movement of the trolley, when the tray moves on the conveying device 200 due to inertia, the first blocking piece 300 and the second blocking piece 400 can block the tray at both ends of the trolley to prevent it from falling off.

[0038] Embodiment 2

[0039] The second embodiment of the APC tray conveying trolley is shown in Figure 5 The difference between the second embodiment and the first embodiment is as follows:

[0040] Specifically, the third blocking piece 600 is installed on the opposite sides of the top of the frame 100. The third blocking piece 600 is provided on the top of the frame 100. When the tray cannot be placed in the entire placement space of the frame 100, the second blocking piece 400 cannot be in contact with the tray for limiting. The plurality of third blocking pieces 600 can limit the tray according to the actual placement situation.

[0041] Specifically, the third blocking piece 600 is provided with a fixed part 610 and a blocking part 620. The fixed part 610 is fixedly connected with the frame 100, and the blocking part 620 is installed on the fixed part 610 and is rotatably connected with the fixed part 610. The end surface of the blocking part 620 is used for abutting against the end surface of the tray when the blocking part 620 is in the blocking state. The fixed part 610 is used for fixing the entire third blocking piece 600 on the frame 100. The blocking part 620 is a block-shaped piece, which can be higher than the bottom surface of the tray to limit the tray when it is in the blocking state.

[0042] Specifically, the third blocking piece 600 is provided with a fixed part 610 and a blocking part 620. The fixed part 610 is fixedly connected with the frame 100, and the blocking part 620 is installed on the fixed part 610 and is rotatably connected with the fixed part 610. The end surface of the blocking part 620 is used for abutting against the end surface of the tray when the blocking part 620 is in the blocking state. The fixed part 610 is used for fixing the entire third blocking piece 600 on the frame 100. The blocking part 620 is a block-shaped piece, which can be higher than the bottom surface of the tray to limit the tray when it is in the blocking state.

[0043] The working principle of the APC tray conveying trolley of the embodiment is as follows:

[0044] When the tray does not fill the entire placement space of the frame 100, the third blocking piece 600 closest to the tray is used, the blocking part 620 is rotated to align the pin hole of the blocking part 620 with the pin hole of the fixed part 610, at this time the blocking part 620 enters the blocking state, and finally the pin piece 700 is inserted to fix the blocking part 620 to prevent it from rotating.

[0045] The beneficial effects of the embodiment are that when the tray does not fill the entire placement space of the frame 100, the second blocking piece 400 is difficult to contact and limit the tray, and the plurality of third blocking pieces 600 can effectively limit the tray according to the actual placement situation.

[0046] Embodiment 3

[0047] The third embodiment of the APC tray conveying trolley is shown in Figure 1 and 6 The difference from the first embodiment is that:

[0048] Specifically, the conveying device 200 includes a guide roller strip 210 and a conveying belt 220, the guide roller strip 210 is installed on the opposite two side edge trusses of the frame 100, the conveying belt 220 is installed between the two guide roller strips 210 and is fixedly connected with the top end of the frame 100, the second end of the frame 100 is provided with a docking part 130 for docking with the outside, the docking part 130 includes a docking plate 132 and a docking claw 131 located on the opposite sides of the frame 100, when the docking part 130 is docked, the docking claw 131 and the docking plate 132 are both in contact with the outside; after the trolley moves to the working position, the docking claw 131 and the docking plate 132 are both in contact with the outside, and the tray is manually pushed from the first end to the second end, the guide roller strip 210 functions to guide the tray to avoid side slipping and deviation when the tray is pushed on the conveying belt 220, wherein the top surface of the conveying device 200 refers to the top surface of the conveying belt 220, the first end of the frame 100 can also be provided with a trolley handrail, and the operator can hold the trolley handrail to move the entire trolley, the bottom of the first end of the frame 100 can also be provided with a fixed foot pedal, which functions to manually step on the fixed foot pedal when the trolley is in the working state, the fixed foot pedal lifts the entire trolley to make the wheels of the trolley leave the ground, preventing the trolley from moving under force during work, the docking plate 132 is used to buffer the impact force between the trolley and the outside during docking, and the docking claw 131 is provided on both sides of the frame 100, and is connected with the external structure by clamping during docking.

[0049] Specifically, it also includes a tray body 800, the tray body 800 is installed on the conveying device 200, the tray body 800 includes a plug-in block 810 and a connecting piece 820, one end of the connecting piece 820 is fixedly connected with the tray body 800, and the other end is detachably connected with the plug-in block 810; the shape of the plug-in block 810 has many kinds, and one plug-in block 810 corresponds to one vehicle type, and the plug-in block 810 is used for being in contact with the shape of the workpiece to fix the whole workpiece, when the plug-in block 810 is replaced, the plug-in block 810 and the connecting piece 820 are screw-connected, the plug-in block 810 is screwed out of the connecting piece 820, and then the plug-in block 810 corresponding to other plug-in blocks 810 can be replaced, and the whole tray body 800 does not need to be replaced.

[0050] The working principle of the APC tray conveying trolley in the embodiment is as follows:

[0051] The plug-in block 810 is screwed off from the connecting piece 820 and taken out, the plug-in block 810 required is replaced, the workpiece is installed on the plug-in block 810, the trolley is pushed to a specified station, the docking claw 131 is in contact with the external device to connect and fix the whole trolley, the second blocking piece 400 is in the non-blocking state by operating the handle 523, when the tray body 800 is unloaded from the external loading station, the height of the conveying belt 220 of the trolley frame 100 is flush with the height of the conveying belt of the external mechanism, the worker manually moves the tray body 800, and the tray body 800 is pushed into the conveying belt 220 from the second end of the trolley frame 100 one by one, when the external loading station loads or switches the tray, the worker manually pushes all the tray bodies 800 out of the second end at the first end of the trolley frame 100 and into the external loading port at one time, and the external loading port takes out the workpiece on the tray by the mechanical hand.

[0052] The embodiment has the beneficial effect that the tray can be accurately pushed from the first end to the second end of the trolley frame 100 by arranging the conveying belt 220 and the guide wheel strip 210, and the mechanical hand is convenient to clamp.

[0053] In the specific contents of the above specific embodiments, any non-contradictory combination of technical features can be combined, and in order to make the description simple, all possible combinations of the above technical features are not described, but as long as the combination of the technical features does not exist, it should be considered as the scope of the description.

[0054] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An APC tray transport trolley comprising a frame (100) and a transport device (200) mounted on the frame (100), characterized in that, It also includes a first blocking piece (300), a second blocking piece (400) and an operating piece (500); one end of the frame (100) is a second end, and the other end is a first end; the first blocking piece (300) is connected with the first end of the frame (100), the second blocking piece (400) is rotationally connected with the second end of the frame (100), when the second blocking piece (400) is rotated to a blocking state, the highest point of the second blocking piece (400) is higher than the top surface of the conveying device (200) and is used for abutting with the end surface of the tray, when the second blocking piece (400) is rotated to a non-blocking state, the highest point of the second blocking piece (400) is lower than the top surface of the conveying device (200), one end of the operating part is rotationally connected with the second blocking piece (400), and the other end abuts against the first end.

2. An APC tray transport cart according to claim 1, wherein, It also includes a first mounting seat (110) mounted on the first end of the frame (100), and the first mounting seat (110) is in contact with the operating piece (500).

3. An APC tray transport cart according to claim 2, wherein, The operating piece (500) is a rod-shaped piece, the operating piece (500) includes a thick rod part (521), a thin rod part (522) connected with the end of the thick rod part (521), and a handle (523) for operating the entire operating part, the thin rod part (522) is rotationally connected with the second blocking piece (400), and the handle (523) is connected with the other end of the thick rod part (521); the first mounting seat (110) is provided with an upper mounting groove (111) and a lower mounting groove (112), the top of the lower mounting groove (112) is in communication with the upper mounting groove (111), the top of the upper mounting groove (111) is an opening, when the second blocking piece (400) is in a blocking state, the thin rod part (522) is inserted into the lower mounting groove (112), and the end surface of the thick rod part (521) abuts against the end surface of the first mounting seat (110), when the second blocking piece (400) is in a non-blocking state, the thick rod part (521) is inserted into the upper mounting groove (111).

4. An APC tray transport cart according to claim 1, wherein, It also includes a second mounting seat (120), one end of the second mounting seat (120) is fixedly connected with the second end of the frame (100), and the other end is rotationally connected with the second blocking piece (400).

5. An APC tray transport cart according to claim 4, wherein, The top end of the second blocking piece (400) is provided with an abutting part which can be used for abutting with the end surface of the tray, and the bottom end of the second blocking piece (400) is provided with a limiting part (410), when the second blocking piece (400) is rotated to a non-blocking state, the limiting part (410) abuts against the second mounting seat (120).

6. An APC tray transport cart according to claim 1, wherein, It also includes a third blocking piece (600), and the third blocking piece (600) is mounted on the opposite sides of the top of the frame (100).

7. An APC tray transport cart according to claim 6, wherein, The third blocking piece (600) is provided with a fixed part (610) and a blocking part (620), the fixed part (610) is fixedly connected with the frame (100), the blocking part (620) is installed on the fixed part (610) and is rotationally connected with the fixed part (610), and the end surface of the blocking part (620) is used for abutting against the end surface of the tray when the blocking part (620) is in a blocking state.

8. An APC tray transport cart according to claim 7, wherein, The blocking part (620) and the fixed part (610) are both provided with the bolt hole, the bolt hole of the blocking part (620) coincides with the bolt hole of the fixed part (610) when the blocking part (620) is rotated to the blocking state, and the bolt is inserted into the two bolt holes.

9. An APC tray transport cart according to any one of claims 1-8, wherein, The conveying device (200) comprises a guide roller strip (210) and a conveying belt (220), the guide roller strip (210) is installed on the opposite two side edge trusses of the frame (100), the conveying belt (220) is installed between the two guide roller strips (210) and is fixedly connected with the top end of the frame (100); the second end bottom of the frame (100) is provided with a docking part (130) for external docking and fixing, the docking part (130) comprises a docking plate (132) and a docking claw (131) located on the opposite two sides of the frame (100), and the docking claw (131) and the docking plate (132) are both in contact with the outside when the docking part (130) is docked.

10. An APC tray transport cart according to any one of claims 1-8, wherein, The tray body (800) is installed on the conveying device (200), and the tray body (800) comprises a plug-in block (810) and a connecting piece (820), one end of the connecting piece (820) is fixedly connected with the tray body (800), and the other end is detachably connected with the plug-in block (810).

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