CN217866710U - Automatic feeding structure and handling system of current-limiting - Google Patents

Abstract

The utility model provides an automatic current-limiting feeding structure and a carrying system, wherein the feeding structure comprises a feeding track and a lifting well, the lifting well is provided with a lifting piece, and the feeding track is provided with a current-limiting piece; the flow limiting piece is provided with a first rotating point, and the flow limiting piece rotates around the first rotating point to realize the height change of two ends; one end of the current-limiting piece is a limiting end, and the other end of the current-limiting piece is a retaining end; the limiting end is provided with a first stop block and a matching part, the first stop block is used for limiting the sliding of the object to be transported, and the matching part is used for being matched with the lifting part to realize the rotation of the current limiting part; the first elastic piece is arranged at the holding end, and when the matching part is not stressed, the first elastic piece is used for keeping the limiting end higher than the holding end; and the safe transportation of the articles can be realized.

Description

Automatic feeding structure and handling system of current-limiting

Technical Field

The utility model relates to a conveyer technical field particularly, relates to an automatic feeding structure and handling system of current-limiting.

Background

At present, in the assembly process of a vehicle, a tire nut is generally required to be adopted for fastening, in the prior art, the vehicle is generally lifted, then the tire is installed, and the tire can be conveniently positioned by adopting the installation mode, but the following technical problems exist:

1. the height difference exists between the mounting position and the ground, when the tire nut is transported to the corresponding position, the tire nut needs to go up and down stairs, and at the moment, as the nut tray is held by two hands, the handrail cannot be held by hands, so that certain potential safety hazards exist;

2. in the carrying process, the vehicle is usually required to pass by the vehicle body, so that the risk of influencing the quality of the vehicle body exists;

3. the charging tray and the nut are heavy and time-consuming and labor-consuming.

The present application is hereby presented.

Disclosure of Invention

Aiming at the problems in the prior art, on the one hand, the utility model provides an automatic current-limiting feeding structure, through the structural design, the transportation of the materials from the ground can be realized, and in the transportation process, the flow control can be effectively realized, and the condition of material accumulation is reduced; on the other hand, the embodiment of the utility model provides a still provide a handling system, can realize the transport of article, labour saving and time saving.

First aspect

The embodiment of the utility model provides an automatic current-limiting feeding structure, which comprises a feeding track and a lifting well, wherein the lifting well is provided with a lifting piece, and the feeding track is provided with a current-limiting piece; the flow limiting piece is provided with a first rotating point, and rotates around the first rotating point to realize height change of two ends; one end of the current limiting piece is a limiting end, and the other end of the current limiting piece is a retaining end; the limiting end is provided with a first stop block and a matching part, the first stop block is used for limiting the sliding of the object to be transported, and the matching part is used for being matched with the lifting piece to realize the rotation of the current limiting piece; the holding end is provided with a first elastic piece, and when the matching part is not stressed, the first elastic piece is used for keeping the limiting end higher than the holding end.

In the scheme, the feeding structure comprises a feeding rail and a lifting well, the lifting well is communicated with the feeding rail, the object to be transported is transferred from the feeding rail to the inside of the lifting well, the lifting well is lifted, so that the height of the object to be transported is changed, the feeding rail is provided with a current-limiting piece, the current-limiting piece is provided with a first rotating point, when the current-limiting piece rotates around the first rotating point, the relative height between the limiting end and the holding end can be changed, the limiting end is provided with a first stop block and a matching part, the first stop block is used for being matched with the object to be transported, so that the relative position of the object to be transported on the feeding rail is fixed, when the feeding structure is used for feeding, the matching part is close to the ground relative to the lifting piece, just the other end of current-limiting piece is provided with first elastic component the promotion piece to during upward movement in the lift-up well, because the retaining action of first elastic component, the relative height of spacing end can take place to rise, and works as when spacing end rises to a certain position, first dog protrusion the orbital loading end of material loading to the hindrance is waited the transported substance and is in slide on the material loading track, avoid waiting the transported substance to enter into the lift-up well, cause the piling up of material, take place the potential safety hazard, through structural design, when waiting the transported substance to follow ground to air transport, can effectually realize waiting the flow control of transported substance, reduce the accumulational condition of material, and can control the material and get into in the lift-up well, reduce the probability that the incident takes place.

The feeding device further comprises a second stop block, wherein the second stop block is close to the feeding end of the feeding track relative to the first stop block; the second stop block is also provided with a retaining piece, and the retaining piece is used for retaining the second stop block to protrude out of the conveying surface of the feeding track to block the sliding of the object to be conveyed when the second stop block is not subjected to the force in the vertical direction; the second stop block is connected with the holding end through a connecting piece, when the holding end moves upwards, the connecting piece drives the second stop block to move downwards to contact with the second stop block to block the object to be transported, and the position of the object to be transported can be limited along the conveying direction of the feeding track through the structural design of the second stop block, so that the current limiting effect is further guaranteed, and the safety is guaranteed.

The device further comprises a discharging track, wherein the discharging track is provided with a full-load assembly, the full-load assembly comprises a full-load piece, and the full-load piece comprises a matching end and a bearing end; the full-load piece rotates around a second rotating point to realize the relative height change of the matching end and the bearing end; the matching end is used for receiving external force to realize rotation of the full load piece; after the full load-bearing part rotates to a certain position, the load-bearing end is matched with the lifting part to realize the locking of the relative position of the lifting part in the lifting well, and the starting and stopping control of the lifting part can be effectively realized through the structural design of the full load-bearing component, so that the lifting structure is realized by being matched with the current-limiting part, and the material accumulation is further avoided.

Furthermore, the matching end is far away from the feeding end of the discharging rail relative to the bearing end, the relative position of the full-load piece is ensured by setting the relative positions of the matching end and the bearing end, and objects to be transported can be effectively matched with the matching end during transportation on the discharging rail, so that the objects to be transported can drive the full-load piece, the bearing end and the lifting piece can be matched with each other, and position limitation is realized.

Furthermore, the full-load member is obliquely arranged relative to the conveying surface of the discharging rail, when the full-load assembly is not subjected to external force, the matching end and the bearing end are respectively positioned on two sides of the conveying surface of the discharging rail, and the design aiming at the relative position of the full-load member can ensure that the object to be conveyed can drive the full-load member to rotate when the full-load member is matched with the object to be conveyed, so that the relative position change of the bearing end is realized.

Further, the full-load assembly further comprises a balancing weight for keeping the relative position of the full-load member, and the balancing weight is connected with the bearing end.

Second aspect of the invention

An embodiment of the utility model provides a handling system, including above-mentioned material loading structure, still include drive assembly, drive assembly with it connects to promote the piece, is used for realizing it is in to promote the piece rise in the lift-well.

Furthermore, drive assembly includes cooperation subassembly, traction member is used for connecting cooperation subassembly and lifting member, cooperation subassembly is used for with external power source interconnect, the drive cooperation subassembly motion, thereby the realization lifting member rises.

Furthermore, the matching component comprises a first limiting rod and a second limiting rod, the first limiting rod and the second limiting rod are obliquely arranged, the first limiting rod is arranged perpendicular to the horizontal plane, one end of the second limiting rod is connected with the lifting part through the traction part, and the other end of the second limiting rod is matched with the first limiting rod through a second elastic part for realizing the lifting of the first limiting rod; the second limiting rod is higher than the other end of the connecting end of the traction piece.

Furthermore, the device also comprises a return empty track, and the return empty track and the discharge track are arranged at intervals along the vertical direction.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to an automatic feeding structure and handling system of current-limiting, through structural design, can realize the transportation of material by ground, and in the transportation, can effectively realize flow control, reduce the condition that the material piles up, guarantee the security of transportation;

2. the utility model relates to an automatic current-limiting feeding structure and handling system, through the structural design of the second stop dog, the limiting of the position of the object to be transported can be realized along the conveying direction of the feeding track, thereby further ensuring the current-limiting effect and the safety;

3. the utility model relates to an automatic current-limiting feeding structure and handling system, through the structural design of the full-load assembly, the start-stop control of a lifting piece can be effectively realized, so that the lifting structure can be mentioned through the mutual cooperation with the current-limiting piece, and the material accumulation is further avoided;

4. the utility model relates to an automatic feed structure and handling system of current-limiting through structural design, can realize the automatic handling of material, has improved work efficiency when guaranteeing the security, and through linking to each other driving piece and external component, has realized the transmission of power, the energy saving.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of a feeding structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of the feeding track and the object to be transported in an unlocked state (without a lifting member) according to an embodiment of the present invention;

fig. 3 is a schematic view of the feeding track and the object to be transported in an unlocked state (with a lifting member) according to an embodiment of the present invention;

fig. 4 is a schematic view of the feeding rail and the object to be transported in a locked state according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a feeding structure according to another embodiment of the present invention;

FIG. 6 is a schematic structural view of a fully loaded module of the present invention (not fully loaded);

fig. 7 is a schematic structural view (full load) of the full load assembly of the present invention;

FIG. 8 is a schematic structural view of the fitting assembly of the present invention;

fig. 9 is a schematic view of the cooperation assembly, the slide rail and the L-shaped arm according to the present invention.

Reference numbers and corresponding part names in the drawings:

100-feeding track, 200-lifting well, 210-lifting piece, 300-current limiting piece, 310-limiting end, 311-first block, 312-matching part, 320-holding end, 321-elastic piece, 400-second block, 500-discharging track, 510-full loading component, 511-full loading rod, 511 a-matching end, 511 b-bearing end, 512-balancing weight, 610-matching component, 611-first limiting rod, 612-second limiting rod, 613-second elastic piece, 620-sliding rail, 700-returning empty track, 800-object to be transported and 900-L-shaped arm.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrase "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Examples

As shown in fig. 1-4, an embodiment of the present invention provides an automatic flow-limiting feeding structure, which includes a feeding rail 100 and an elevator shaft 200, wherein the elevator shaft 200 is provided with a lifting member 210, and the feeding rail 100 is provided with a flow-limiting member; the flow limiting piece is provided with a first rotating point, and the flow limiting piece rotates around the first rotating point to realize height change of two ends; one end of the flow limiting piece is a limiting end 310, and the other end of the flow limiting piece is a retaining end 320; the limiting end 310 is provided with a first stop 311 and a matching part 312, the first stop 311 is used for limiting the sliding of the object 800 to be transported, and the matching part 312 is used for matching with the lifting member 210 to realize the rotation of the current limiting member; the holding end 320 is provided with a first elastic element 321, and when the matching portion 312 is not stressed, the first elastic element 321 is used for keeping the limiting end 310 higher than the holding end 320.

Wherein the first baffle is used for limiting the sliding of the object 800 to be transported, as should be known to those skilled in the art, when the first stopper 311 limits the movement of the object 800 to be transported, the top end of the first stopper 311 should be higher than the transporting surface of the feeding track 100, so as to achieve the blocking.

It should be noted that the feeding track 100 is used for transferring the object to be transported 800 from the feeding end to the lifting shaft 200, the feeding track 100 may be driven by an external drive to drive the object to be transported 800, and the feeding track 100 may also be arranged in an inclined manner to move under the action of gravity.

Specifically, the first elastic member 321 is configured to keep the height of the limiting end 310 higher than the height of the holding end 320, as will be understood by those skilled in the art, as shown in fig. 2-3, when the lifting member 210 is engaged with the engaging end 511a, the engaging end 511a causes the current limiting member to rotate around the first rotation point under the gravity of the lifting member 210, so as to achieve the descending of the limiting end 310 and the ascending of the holding end 320, when the lifting member 210 moves upward under the driving of an external force, the external force of the engaging end 511a disappears, at this time, the first elastic member 321 may pull the holding end 320, so as to achieve the descending of the holding end 320 and the ascending of the limiting end 310, thereby achieving the first stopper 311 protruding out of the transportation surface of the feeding track 100, achieving the limiting of the material, and avoiding sliding into the lifting well 200 to create a safety hazard.

In this scheme, the feeding structure includes a feeding rail and a lifting well 200, the lifting well 200 is communicated with the feeding rail, so as to realize the transfer of the object to be transported 800 from the feeding rail to the inside of the lifting well 200, and is lifted by the lifting well 200, so as to realize the height change of the object to be transported 800, the feeding rail 100 is provided with a flow limiting member, the flow limiting member has a first rotation point, when the flow limiting member rotates around the first rotation point, the relative height between the limiting end 310 and the holding end 320 changes, and the limiting end 310 is provided with a first stopper 311 and a fitting part 312, the first stopper 311 is used for fitting with the object to be transported 800, so as to fix the relative position of the object to be transported 800 on the feeding rail, when the feeding structure is used for feeding, the fitting part 312 is close to the ground relative to the lifting member 210, and the other end of the flow limiting member is provided with a first elastic member 321, when the lifting member 210 moves upwards in the lifting well 200, the first elastic member 321 keeps acting on the lifting rail to maintain the lifting rail, so as to reduce the possibility that the object to enter the lifting rail, and the lifting rail 200, thereby preventing the object to be transported from sliding from entering the lifting rail, and preventing the lifting rail from being damaged, and preventing the object from being transported from being stacked in case of a safety accident, when the lifting rail 800, the lifting rail, the lifting structure, and the lifting rail 800.

As shown in fig. 1, in some embodiments, a second stop 400 is further included, the second stop 400 being proximate to the feeding end of the feeding track 100 relative to the first stop 311; the second stopper 400 is further provided with a retaining member, and the retaining member is used for keeping the second stopper 400 protruding out of the conveying surface of the feeding track 100 to hinder the object 800 to be conveyed from sliding when the second stopper 400 is not subjected to a force in the vertical direction; the second stopper 400 is connected with the holding end 320 through a connecting piece, when the holding end 320 moves upwards, the connecting piece drives the second stopper 400 to move downwards to contact with the obstacle of the second stopper 400 to the object 800 to be transported, and through the structural design of the second stopper 400, the position of the object 800 to be transported can be limited along the conveying direction of the feeding track 100, so that the current limiting effect is further ensured, and the safety is ensured.

The second stopper 400 is close to the feeding end of the feeding track 100 relative to the first stopper 311, so that when the feeding device is used, the second stopper 400 can limit the object 800 to be transported on the feeding track 100, specifically, the first stopper 311 and the second stopper 400 should be arranged at intervals, so as to realize the position difference of the object 800 to be transported; since the second stopper 400 is connected to the holding end 320 through the connecting member and the moving directions of the two are opposite, it should be understood by those skilled in the art that the direction change can be realized by means of a fixed pulley or a pulley block; the second stopper 400 is used for limiting the relative position of the object 800 to be transported on the feeding rail 100, it should be noted that the second stopper 400 should be in a state of protruding from the conveying surface of the feeding rail 100, at this time, the current limitation of the material can be realized at the front end of the feeding rail 100 through the second stopper 400, when the holding end 320 moves upward, the lifting member 210 moves downward and is matched with the matching portion 312, the holding end 320 tilts, at this time, the second stopper 400 is unlocked, the object 800 to be transported, which is blocked by the second stopper 400, can be directly transferred to the lifting member 210, when the lifting member 210 moves upward, the holding end 320 does not apply force to the second stopper 400, so that the second stopper 400 protrudes, and the position of the object 800 to be transported is limited at the front end, thereby further ensuring the safety.

As shown in fig. 5-7, in some embodiments, further comprising an outfeed track 500, the outfeed track 500 being provided with a full load assembly 510, the full load assembly 510 comprising a full load comprising a mating end 511a and a load-bearing end 511b; the full-load member rotates around a second rotation point, so that the relative height change of the mating end 511a and the bearing end 511b is realized; the matching end 511a is used for receiving an external force to realize the rotation of the full load piece; after the full load member rotates to a certain position, the load bearing end 511b is matched with the lifting member 210 to lock the relative position of the lifting member 210 in the lifting well 200, and the starting and stopping control of the lifting member 210 can be effectively realized through the structural design of the full load assembly 510, so that the lifting of the whole feeding structure is realized through the mutual matching of the full load bearing end and the flow limiting member, and the material accumulation is further avoided.

It should be noted that the discharging rail 500 is used to transfer the object 800 to be transported from the lift shaft 200 to the service station, the discharging rail 500 may be driven by an external drive to drive the object 800 to be transported, and the discharging rail 500 may also be arranged in an inclined manner to move under the action of gravity.

Further, the matching end 511a is far away from the feeding end of the discharging rail 500 relative to the bearing end 511b, and the relative positions of the matching end 511a and the bearing end 511b are set, so that the relative position of the full-load part is ensured, and the object 800 to be transported can be effectively matched with the matching end 511a during transportation on the discharging rail 500, so that the object 800 to be transported can drive the full-load part, the bearing end 511b can be matched with the lifting part 210, and the position limitation can be realized.

Further, the full loading element is disposed obliquely relative to the conveying surface of the discharging rail 500, and when the full loading element 510 is not subjected to an external force, the mating end 511a and the carrying end 511b are respectively located at two sides of the conveying surface of the discharging rail 500, and by designing the relative position of the full loading element, it can be ensured that the object 800 to be transported can drive the full loading element to rotate when the object 800 to be transported is mated, so that the relative position change of the carrying end 511b is realized.

As a specific embodiment of the relative position holding of the full load, the full load assembly 510 further comprises a weight 512 for holding the relative position of the full load, and the weight 512 is connected to the carrying end 511 b.

As another specific embodiment of the relative position holding of the full carriers, the position holding may be achieved by providing a spring below the mating end 511 a.

As shown in fig. 8-9, an embodiment of the present invention provides a handling system, which includes the above feeding structure, and further includes a driving assembly, where the driving assembly is connected to the lifting member 210, and is used for realizing the lifting of the lifting member 210 in the lifting well 200.

In some embodiments, the driving assembly includes a fitting assembly 610, and a pulling member, the pulling member is used for connecting the fitting assembly 610 and the lifting member 210, the fitting assembly 610 is used for being connected with an external power source, and the fitting assembly 610 is driven to move, so that the lifting member 210 is lifted.

Wherein the driving member may be a traction motor, thereby achieving the motion.

In some embodiments, the matching component 610 includes a first limiting rod 611 and a second limiting rod 612, the first limiting rod 611 and the second limiting rod 612 are disposed obliquely, the first limiting rod 611 is disposed vertically and horizontally, one end of the second limiting rod 612 is connected to the lifting member 210 through the traction member, and the other end of the second limiting rod 612 is matched with the first limiting rod 611 through a second elastic member 613, so as to achieve the lifting of the first limiting rod 611; the connecting end of the second limiting rod 612 and the traction piece is higher than the other end.

As a specific use scenario of the carrying system, when a tire of a vehicle is mounted, a mounting station is fixed, and generally, an L-shaped arm 900 is adopted to realize movement of the vehicle, so as to realize transfer of the vehicle, at this time, the engaging assembly 610 may cooperate with the L-shaped arm 900, and the movement is realized through a change of a relative position relationship between the L-shaped arm 900 and the engaging assembly 610, and specifically, in order to ensure a movement direction, a slide rail 620 may be further provided.

Specifically, as shown in fig. 8, when the L-shaped arm 900 and the second limiting rod 612 are engaged with each other, the corresponding end of the second limiting rod 612 is higher than the lowest end of the L-shaped arm 900, that is, at this time, the L-shaped arm 900 and the second limiting rod 612 are engaged with each other to push the engaging component 610 to move, but it should be noted that the first limiting rod 611 is a lifting structure, so at this time, the pressure of the end generated by the second limiting rod 612 should be smaller than the friction force that hinders the first limiting rod 611 from lowering; when the engaging element 610 moves to the foremost end of the sliding rail 620, due to the position limitation of the sliding rail 620, at this time, the engaging element 610 cannot move forward continuously, so the L-shaped arm 900 always has a pressure on the second limiting rod 612, the component of the forward pressure at this time is greater than the friction force hindering the first limiting rod 611 to descend, the first limiting rod 611 can descend under the action of external force, thereby realizing the separation of the engaging element 610 and the L-shaped arm 900, at this time, the automobile moves forward continuously, the engaging element 610 stops, and since the other end of the second limiting rod 612 is connected with the lifting element 210, when the lifting element 210 moves downward, the lifting element 210 can drive the engaging element 610 to return to the original position.

It should be noted that the other end of the second limiting rod 612 is connected to the lifting element 210, and the engaging component 610 drives the lifting element 210 to move, so that there is a pulling force at the connecting end of the second limiting rod 612 and the lifting element 210, which can drive the second limiting rod 612 to rotate, and since the other end of the second limiting rod 612 is provided with a second elastic element 613 connected to the first limiting rod 611, when the second limiting rod 612 rotates, the second elastic element 613 can drive the first limiting rod 611 to ascend, so as to achieve the engagement with the L-shaped arm 900.

Further, when a full loading device is provided, since the structure of the full loading device limits the returning position of the lifting member 210, at this time, the second limiting rod 612 and the traction member of the lifting member 210 should be in a loose state, at this time, there is no constraint force on the rotation of the second limiting rod 612, so when the L-shaped arm 900 is engaged, the L-shaped arm 900 can directly pass through the engaging component 610, and thus the engaging component 610 is not driven to move, and further, at this time, the highest positions of the first limiting rod 611 and the second limiting rod 612 are both lower than the L-shaped arm 900.

It should be noted that, when a full load device is provided, in order to ensure that the mating component can be returned to the original position, the position of the full load component limiting the lifting component 210 should be located in the middle of the lifting shaft 200, and the lifting component 210 has a certain sliding distance so as to return to the original position of the mating component 610.

It should be noted that, when the full loading device is fully loaded, on one hand, the engaging component 610 cannot be engaged with the L-shaped arm 900, and the lifting member 210 also stops moving under the limitation of the full loading device, so that the lifting member 210 cannot provide power for the engaging portion 312, and the first blocking plate can limit the object 800 to be transported on the feeding track 100, and through the limiting mechanism, the movement of the carrying mechanism is stopped, thereby further ensuring the safety.

As shown in fig. 5, in some embodiments, the discharging device further includes a return rail 700, and the return rail 700 is vertically spaced from the discharging rail 500.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An automatic flow-limiting feeding structure comprises a feeding track (100) and an elevating shaft (200), wherein the elevating shaft (200) is provided with an elevating piece (210), and is characterized in that,

the feeding track (100) is provided with a flow limiting piece (300);

the flow limiting piece (300) is provided with a first rotating point, and the flow limiting piece (300) rotates around the first rotating point to realize height change of two ends;

one end of the flow limiting piece (300) is a limiting end (310), and the other end of the flow limiting piece is a retaining end (320);

the limiting end (310) is provided with a first stop block (311) and a matching part (312), the first stop block (311) is used for limiting the sliding of the object to be transported, and the matching part (312) is used for being matched with the lifting part (210) to realize the rotation of the current limiting part (300);

the holding end (320) is provided with a first elastic piece (321), and when the matching part (312) is not stressed, the first elastic piece (321) is used for keeping the limiting end (310) higher than the holding end (320).

2. The automatic flow-limiting feeding structure according to claim 1, further comprising a second stopper (400), wherein the second stopper (400) is close to the feeding end of the feeding rail (100) relative to the first stopper (311); the second stop block (400) is also provided with a retaining piece, and the retaining piece is used for retaining the second stop block (400) to protrude out of the conveying surface of the feeding track (100) to block the sliding of the objects to be conveyed when the second stop block is not subjected to the force in the vertical direction; the second block (400) is connected with the holding end (320) through a connecting piece, and when the holding end (320) moves upwards, the connecting piece drives the second block (400) to move downwards to contact with the block of the second block (400) on the object to be transported.

3. An automatic current-limiting feeding structure according to claim 1 or 2, further comprising a discharging track (500), wherein the discharging track (500) is provided with a full load assembly (510), the full load assembly (510) comprises a full load (511), and the full load (511) comprises a mating end (511 a) and a carrying end (511 b); -the full carrier (511) is rotated about a second rotation point, enabling a relative height change of the mating end (511 a) and the carrying end (511 b); the mating end (511 a) is used for receiving external force to realize the rotation of the full load piece (511); after the full carrier (511) is rotated to a certain position, the bearing end (511 b) is matched with the lifting piece (210) to realize the locking of the relative position of the lifting piece (210) in the lifting well (200).

4. An automatic flow-limiting feeding structure according to claim 3, wherein the mating end (511 a) is far away from the feeding end of the discharging rail (500) relative to the carrying end (511 b).

5. An auto-current-limiting feeding structure as claimed in claim 3, wherein the full-load member (511) is disposed obliquely with respect to a transporting surface of the discharging rail (500), and the engaging end (511 a) and the carrying end (511 b) are respectively located at two sides of the transporting surface of the discharging rail (500) when the full-load assembly (510) is not subjected to an external force.

6. An automatic flow-limiting feeding structure according to claim 4, wherein said fully loaded assembly (510) further comprises a weight block (512) for maintaining the relative position of said fully loaded member (511), said weight block (512) being connected to said carrying end (511 b).

7. A handling system comprising an auto-flow-restricting charging structure according to any one of claims 1 to 6, further comprising a drive assembly connected to the lift (210) for effecting raising of the lift (210) in the lift well (200).

8. A handling system according to claim 7, characterized in that said driving assembly comprises an engagement assembly (610), a traction member for connecting said engagement assembly (610) and said lifting member (210), said engagement assembly (610) being adapted to be interconnected with an external power source for driving said engagement assembly (610) in movement for effecting raising of said lifting member (210).

9. A carrying system according to claim 8, wherein the engaging assembly (610) comprises a first limiting rod (611) and a second limiting rod (612), the first limiting rod (611) and the second limiting rod (612) are arranged obliquely, the first limiting rod (611) is arranged vertically to the horizontal plane, one end of the second limiting rod (612) is connected to the lifting member (210) through the traction member, and the other end of the second limiting rod (612) is engaged with the first limiting rod (611) through a second elastic member, so as to realize the lifting of the first limiting rod (611); the connecting end of the second limiting rod (612) and the traction piece is higher than the other end.

10. A handling system according to any of claims 7-9, characterised in that when said automatic flow-limiting loading structure comprises an outfeed rail (500), it further comprises a return rail (700), said return rail (700) being vertically spaced from said outfeed rail (500).

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