CN219443944U - Loading attachment and welding production line - Google Patents

Abstract

The utility model relates to the technical field of shelf processing, in particular to a feeding device and a welding production line. The feeding device comprises a conveying mechanism, an ejection mechanism, a turnover mechanism and a carrying mechanism, wherein the conveying mechanism is used for driving a hanging piece to move along a first direction, the ejection mechanism is used for ejecting the hanging piece on the conveying mechanism to move along a second direction, the turnover mechanism comprises a first frame body, a first driving piece, a reversing assembly and a turnover piece, the turnover piece is pivoted with the first frame body, an output member of the first driving piece can do linear motion along a third direction, the output member is connected with the turnover piece through the reversing assembly, the reversing assembly is used for converting the linear motion of the output member into rotation, and the carrying mechanism is used for carrying the hanging piece on the turnover mechanism to a welding station. Through mutually supporting between above-mentioned each mechanism, realize the automatic material loading of link, improve the efficiency of link material loading, degree of automation is higher. The welding production line comprises the feeding device, and improves the welding efficiency of the hanging piece and the cross beam.

Description

Loading attachment and welding production line

Technical Field

The utility model relates to the technical field of shelf processing, in particular to a feeding device and a welding production line.

Background

The goods shelf is a storage device which is frequently used in modern warehouse logistics industry and daily life, and the goods shelf becomes more and more important along with the development of the modern logistics industry.

The goods shelf comprises a cross beam and a stand column, wherein hanging pieces are welded at the end parts of the cross beam, and the cross beam is connected with the stand column through the hanging pieces.

In the prior art, when the cross beam and the hanging piece are welded, the hanging piece is required to be fed to the welding station manually, so that the labor intensity is high, the efficiency is low, the welding efficiency of the whole cross beam and the hanging piece is greatly influenced by manual operation, the welding efficiency is low, and the degree of automation is not high.

Therefore, a feeding device and a welding line are needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a feeding device which can realize automatic feeding of hanging pieces, improve the feeding efficiency of the hanging pieces and has higher degree of automation.

The utility model further aims to provide a welding production line, by applying the feeding device, the welding efficiency of the hanging piece and the cross beam is improved, and a good welding effect of the hanging piece and the cross beam is realized.

In order to achieve the above object, the following technical scheme is provided:

feeding device includes:

a transport mechanism configured to drive the hanging sheet to move in a first direction;

a pushing mechanism configured to push the hanging piece on the conveying mechanism to move along a second direction;

the turnover mechanism comprises a first frame body, a first driving piece, a reversing component and a turnover piece, wherein the turnover piece is pivoted with the first frame body, an output member of the first driving piece can do linear motion along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, the output member is connected with the turnover piece through the reversing component, and the reversing component is configured to convert the linear motion of the output member into rotation; and

and the conveying mechanism is configured to convey the hanging piece on the turnover mechanism to a welding station.

Preferably, the reversing assembly includes:

a rack fixed to the output member and extending in the third direction; and

the gear is meshed with the rack and is coaxially fixed with the pivot shaft of the overturning piece.

Preferably, the turnover mechanism further comprises:

the guide piece is arranged on the first frame body, a guide groove extending along the third direction is formed in the guide piece, and the rack is inserted into the guide groove and slides along the guide groove.

Preferably, the conveying mechanism includes:

a second frame body;

the two conveying wheels are respectively pivoted with the second frame body;

the driving motor is connected with at least one conveying wheel through the transmission assembly; and

the annular conveying belt is arranged around the periphery of the two conveying wheels and is tensioned by the two conveying wheels together, and the hanging piece is placed on the outer surface of the annular conveying belt.

Preferably, the pushing mechanism includes:

a third frame;

the ejection piece is arranged on the third frame body and is in sliding connection with the third frame body; and

the second driving piece can drive the ejector piece to reciprocate along the second direction, and the ejector piece can push the hanging piece on the conveying mechanism into the turnover mechanism.

Preferably, the carrying mechanism includes:

a gripping member configured to take and put the hanging piece;

a lifting assembly configured to drive the gripper to move in the third direction;

a first translation assembly and a second translation assembly, the second translation assembly configured to drive the lifting assembly to move in the second direction, the first translation assembly configured to drive the second translation assembly to move in the first direction.

Preferably, the first translation assembly includes:

a fourth frame body;

the third driving piece is arranged on the fourth frame body, and the output end of the third driving piece is connected with the second translation assembly; and

the first guide assembly comprises a first guide rail and a first sliding block, wherein the first guide rail is arranged on the fourth frame body and extends along the first direction, the first sliding block is connected with the second translation assembly, and the first sliding block is in sliding connection with the first guide rail.

Preferably, the second translation assembly includes:

a fifth frame body;

the screw rod is pivoted with the fifth frame body and extends along the second direction;

the fourth driving piece is coaxially fixed with the output end of the fourth driving piece;

the nut is screwed on the screw rod and is fixedly connected with the lifting assembly; and

the second guide assembly is arranged between the fifth frame body and the lifting assembly, and the lifting assembly can move along the second direction on the second guide assembly.

Preferably, the second guide assembly includes:

the second guide rail is arranged on the fifth frame body and extends along the second direction; and

and the second sliding block is connected with the lifting assembly and is in sliding connection with the second guide rail.

Welding production line, including foretell loading attachment.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a feeding device which comprises a conveying mechanism, an ejection mechanism, a turnover mechanism and a carrying mechanism, wherein the conveying mechanism is used for driving hanging pieces to move along a first direction, the ejection mechanism is used for ejecting hanging pieces on the conveying mechanism to move along a second direction, the turnover mechanism comprises a first frame body, a first driving piece, a reversing assembly and a turnover piece, the turnover piece is pivoted with the first frame body, output members of the first driving piece can do linear movement along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, the output members are connected with the turnover piece through the reversing assembly, the reversing assembly is used for converting the linear movement of the output members into rotation, and the carrying mechanism is used for carrying the hanging pieces on the turnover mechanism to a welding station. Through mutually supporting between above-mentioned each mechanism, realize the automatic material loading of link, improve the efficiency of link material loading, degree of automation is higher.

According to the welding production line provided by the utility model, by applying the feeding device, the welding efficiency of the hanging piece and the cross beam is improved, and the good welding effect of the hanging piece and the cross beam is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a feeding device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a feeding device according to a second embodiment of the present utility model;

fig. 3 is a schematic structural diagram III of a feeding device according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a turnover mechanism according to an embodiment of the present utility model.

Reference numerals:

100. a feeding device; 200. hanging pieces; 300. welding a tool; 310. a carrier;

10. a conveying mechanism; 11. a driving motor; 12. a conveying wheel; 13. an endless conveyor belt; 14. a transmission assembly; 141. a first transmission member; 142. a second transmission member; 143. an endless belt; 15. a baffle; 16. a travel switch; 17. a second frame body;

20. a push mechanism; 21. a second driving member; 22. a push member; 23. a third frame;

30. a turnover mechanism; 31. a first driving member; 32. a reversing assembly; 321. a rack; 322. a gear; 33. a turnover piece; 331. a receiving groove; 332. a pin joint shaft; 34. a first frame body; 35. a guide member; 351. a guide groove;

40. a carrying mechanism; 41. a gripping member; 42. a first translation assembly; 421. a third driving member; 422. a first guide assembly; 4221. a first guide rail; 4222. a first slider; 423. a shock absorbing member; 424. a fourth frame body; 43. a second translation assembly; 431. a fourth driving member; 432. a second guide assembly; 4321. a second guide rail; 4322. a second slider; 433. a screw rod; 434. a nut; 435. a fifth frame body; 44. a lifting assembly; 441. a fifth driving member; 442. a third guide assembly; 4421. a third guide rail; 4422. a third slider; 443. a sixth frame;

50. a frame.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, the terms "upper," "lower," "left," "right," and the like are used for convenience of description and simplicity of operation based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The goods shelf comprises a cross beam and a stand column, wherein a hanging piece 200 is welded at the end part of the cross beam, and the cross beam is connected with the stand column through the hanging piece 200.

In order to realize welding of the cross beam and the hanging piece 200, the welding production line provided by the embodiment comprises a welding device and a welding tool 300, the welding tool 300 comprises a carrying platform 310, the carrying platform 310 is used for carrying the hanging piece 200, a worker places the cross beam on the welding tool 300 and aligns the cross beam with the hanging piece 200 positioned on the carrying platform 310, and the welding device is used for welding the cross beam on the welding tool 300 and the hanging piece 200 together.

In the prior art, when the welding device welds the cross beam and the hanging piece 200, the hanging piece 200 is required to be fed to the welding station manually, so that the labor intensity is high, the efficiency is low, the welding efficiency of the whole cross beam and the hanging piece 200 is greatly influenced by manual operation, the welding efficiency is low, and the degree of automation is not high.

In order to solve the above problems, as shown in fig. 1 to 3, the welding production line provided in this embodiment further includes a feeding device 100, where the feeding device 100 includes a frame 50, a conveying mechanism 10, a pushing mechanism 20, a turning mechanism 30, and a carrying mechanism 40, the conveying mechanism 10, the pushing mechanism 20, the turning mechanism 30, and the carrying mechanism 40 are disposed on the frame 50, and the frame 50 can realize a stable bearing effect on the conveying mechanism 10, the pushing mechanism 20, the turning mechanism 30, and the carrying mechanism 40. The conveying mechanism 10 is used for driving the hanging piece 200 to move along the X direction (first direction), the pushing mechanism 20 is used for pushing the hanging piece 200 on the conveying mechanism 10 to move along the Y direction (second direction), the overturning mechanism 30 is used for pushing the pushing mechanism 20 to the hanging piece 200 of the overturning mechanism 30 to overturn, and the carrying mechanism 40 is used for carrying the hanging piece 200 on the overturning mechanism 30 to a welding station. Through mutually supporting between above-mentioned each mechanism, realize the automatic material loading of link 200, improve the efficiency of link 200 material loading, and then improve the welding efficiency and degree of automation of crossbeam and link 200 higher.

As shown in fig. 1, one feeding device 100 is disposed on one side of the welding tool 300, and in other embodiments, two, three or more feeding devices 100 may be disposed, which is selected according to actual needs, and is not limited herein.

The mechanism of the conveying device will be described with reference to fig. 1 to 3, as shown in fig. 1 to 3, the conveying device includes a second frame 17, two conveying wheels 12, an annular conveying belt 13, a transmission assembly 14 and a driving motor 11, the second frame 17 is disposed on a frame 50, the two conveying wheels 12 are respectively pivoted with the second frame 17, the driving motor 11 is connected with at least one conveying wheel 12 through the transmission assembly 14, the annular conveying belt 13 is enclosed on the periphery of the two conveying wheels 12 and is tensioned by the two conveying wheels 12 together, and a hanging piece 200 is disposed on the outer surface of the annular conveying belt 13. When the feeding device works, the driving motor 11 drives the two conveying wheels 12 to rotate through the transmission assembly 14 so as to drive the annular conveying belt 13 to move along the X direction, the effect that the conveying mechanism 10 automatically conveys the hanging piece 200 is achieved, and the degree of automation of the feeding device 100 is further improved.

Specifically, as shown in fig. 3, the transmission assembly 14 includes a first transmission member 141, a second transmission member 142, and an endless transmission belt 143, the first transmission member 141 is coaxially fixed to the output shaft of the driving motor 11, the second transmission member 142 is coaxially fixed to one of the conveying wheels 12, and the endless transmission belt 143 is wound around the outer circumferences of the first transmission member 141 and the second transmission member 142 and is commonly tensioned by the first transmission member 141 and the second transmission member 142. The driving motor 11 can be arranged at the bottom of the frame 50 through the transmission assembly 14, so that the installation position of the driving motor 11 is reasonable in layout, and the purpose of saving space of the conveying mechanism 10 is achieved.

Further, as shown in fig. 1 and 2, the conveying mechanism 10 further includes a baffle 15, where the baffle 15 is disposed on the peripheral side of the second frame 17, so as to achieve a limiting effect on the hanging piece 200, and prevent the hanging piece 200 from falling off from the conveying mechanism 10.

As shown in fig. 1, the conveying mechanism 10 further includes a travel switch 16, the travel switch 16 is disposed on the second frame 17, and the travel switch 16 is used for controlling the travel of the endless conveying belt 13.

Referring to fig. 1 and 2, the structure of the ejector mechanism 20 is described, and as shown in fig. 1 and 2, the ejector mechanism 20 includes a third frame 23, an ejector 22 and a second driving member 21, the third frame 23 is disposed on the frame 50, the ejector 22 is disposed on the third frame 23 and slidably connected to the third frame 23, the second driving member 21 can drive the ejector 22 to reciprocate along the Y direction, and the ejector 22 can push the hanging piece 200 on the conveying mechanism 10 into the turnover mechanism 30. The second driving member 21 may be an air cylinder, and the ejector mechanism 20 realizes automatic transfer of the hanging piece 200 from the conveying mechanism 10 to the turnover mechanism 30, so that the automation degree of the feeding device 100 is further improved.

Referring to fig. 1 to 4, the structure of the turnover mechanism 30 will be described, and as shown in fig. 1 to 4, the turnover mechanism 30 includes a first frame 34, a first driving member 31, a reversing assembly 32, and a turnover member 33, where the first frame is disposed on the frame 50, the turnover member 33 is pivoted to the first frame 34, an output member of the first driving member 31 can perform a linear motion along a Z direction (a third direction), the output member is connected to the turnover member 33 through the reversing assembly 32, and the reversing assembly 32 is used for converting the linear motion of the output member into rotation. Wherein the first driving member 31 may be a cylinder. The turnover mechanism 30 is simple in structure, high in transmission precision, capable of realizing automatic turnover of the hanging piece 200 and convenient for carrying the hanging piece 200 by the carrying mechanism 40.

Specifically, as shown in fig. 4, the overturning member 33 is formed with a receiving groove 331, the receiving groove 331 is opposite to the conveying mechanism 10, and the pushing mechanism 20 can directly push the hanging piece 200 from the conveying mechanism 10 into the receiving groove 331 of the overturning member 33, so as to realize accurate alignment of the hanging piece 200.

Specifically, as shown in fig. 4, the reversing assembly 32 includes a rack 321 and a gear 322, the rack 321 is fixed to the output member and extends in the Z direction, the gear 322 is coaxially fixed to the pivot shaft 332 of the turning member 33, and the gear 322 is meshed with the rack 321. When the reversing component works, the first driving piece 31 drives the rack 321 to reciprocate along the Z direction, the rack 321 drives the gear 322 to rotate so as to drive the turnover piece 33 to rotate, the linear motion of the first driving piece 31 is converted into rotation, the reversing component 32 is simple in structure, and the transmission precision is high.

Further, as shown in fig. 4, the turnover mechanism 30 further includes a guide member 35, the guide member 35 is disposed on the first frame 34, a guide groove 351 extending along the Z direction is formed in the guide member 35, the rack 321 is inserted into the guide groove 351 and slides along the guide groove 351, the guide member 35 plays a certain guiding role on the rack 321, and the rack 321 is guaranteed to move only along the extending direction thereof.

Referring to fig. 1 to 3, the mechanism of the carrying mechanism 40 will be described, as shown in fig. 1 to 3, the carrying mechanism 40 includes a grabbing piece 41, a lifting assembly 44, a second translation assembly 43 and a first translation assembly 42, where the grabbing piece 41 is used for picking and placing the hanging piece 200, the lifting assembly 44 is used for driving the grabbing piece 41 to move along the Z direction, the second translation assembly 43 is used for driving the lifting assembly 44 to move along the Y direction, and the first translation assembly 42 is used for driving the second translation assembly 43 to move along the X direction, so as to realize automatic carrying of the hanging piece 200 from the turning mechanism 30 to the welding tool 300, and further improve the automation degree of the feeding device 100.

Specifically, as shown in fig. 1 to 3, the lifting assembly 44 includes a sixth frame 443, a fifth driving member 441 and a third guiding assembly 442, the sixth frame 443 is disposed at an output end of the second translating assembly 43, the fifth driving member 441 is disposed on the sixth frame 443, the grabbing member 41 is disposed at an output end of the fifth driving member 441, the third guiding assembly 442 is disposed on the sixth frame 443 and enables the grabbing member 41 to move along the Z direction, so that the lifting assembly 44 drives the grabbing member 41 to automatically lift and further drives the hanging piece 200 to automatically lift. The grabbing piece 41 is an electromagnet, the electromagnet is connected with an external power supply, magnetism is provided when the electromagnet is electrified, the hanging piece 200 is grabbed, and when the electromagnet is powered off, the magnetism disappears, the hanging piece 200 is placed, and the use is flexible. In other embodiments, the gripping member 41 may be any kind of gripping jaw, and may be capable of taking and placing the hanging piece 200. The fifth driving member 441 may be a cylinder.

As shown in fig. 3, the third guiding assembly 442 includes a third guiding rail 4421 and a third sliding block 4422, the third guiding rail 4421 is disposed on the sixth frame 443 and extends along the Z direction, and the third sliding block 4422 is connected with the grabbing piece 41 and slidingly connected with the third guiding rail 4421, so as to play a certain guiding role on the grabbing piece 41, and reduce the sliding friction force at the same time, so as to ensure the smooth and steady movement of the grabbing piece 41.

As shown in fig. 1 to 3, the second translation assembly 43 includes a fifth frame 435, a screw 433, a fourth driving member 431, a nut 434 and a second guiding assembly 432, where the fifth frame 435 is disposed at an output end of the second translation assembly 43, pivoted to the fifth frame 435 and extending along the second direction, the fourth driving member 431 is coaxially fixed to an output end of the fourth driving member 431, the nut 434 is screwed on the screw 433 and fixedly connected to the lifting assembly 44, the second guiding assembly 432 is disposed between the fifth frame 435 and the lifting assembly 44, and the second guiding assembly 432 is capable of moving the lifting assembly 44 along the Y direction, thereby further improving the automation degree of the feeding device 100. The fourth driving member 431 may be a servo motor.

As shown in fig. 2, the second guiding component 432 includes a second guide rail 4321 and a second sliding block 4322, the second guide rail 4321 is disposed on the fifth frame 435 and extends along the second direction, the second sliding block 4322 is connected with the lifting component 44, and the second sliding block 4322 is slidably connected with the second guide rail 4321, so as to play a certain guiding role on the lifting component 44, and reduce sliding friction force at the same time, so as to ensure smooth and steady movement of the lifting component 44.

As shown in fig. 1 and 2, the first translation assembly 42 includes a fourth frame 424, a third driving member 421 and a first guiding assembly 422, the fourth frame 424 is disposed on the frame 50, the third driving member 421 is disposed on the fourth frame 424, an output end of the third driving member 421 is connected to the second translation assembly 43, the first guiding assembly 422 is disposed between the fourth frame 424 and the second translation assembly 43, and the first guiding assembly 422 can enable the first translation assembly 42 to move along the X direction, so as to further improve the automation degree of the feeding device 100. The third driving member 421 may be a cylinder.

As shown in fig. 1, the first guiding assembly 422 includes a first guide rail 4221 and a first slider 4222, the first guide rail 4221 is disposed on the fourth frame 424 and extends along the first direction, the first slider 4222 is connected with the second translating assembly 43, and the first slider 4222 is slidably connected with the first guide rail 4221, so as to play a certain guiding role on the second translating assembly 43, and reduce sliding friction force, so as to ensure smooth and steady movement of the second translating assembly 43.

As shown in fig. 1, the first translation assembly 42 further includes two shock absorbing members 423, and the two shock absorbing members 423 are disposed at both ends of the first rail 4221 in the X direction, respectively. By providing the shock absorbing member 423, on the one hand, it is helpful to prevent the third driving member 421 from generating a large shock when driving the second translation assembly 43 to move in the X direction, thereby preventing the hanging piece 200 from falling off the grasping member 41; on the other hand, the first slider 4222 can be prevented from sliding off the first rail 4221.

For easy understanding, the working process of the feeding device 100 will be described with reference to fig. 1 to 4:

1) The driving motor 11 drives the annular conveying belt 13 to convey the hanging piece 200 to the ejection mechanism 20;

2) The second driving piece 21 drives the ejector piece 22 to eject the hanging piece 200 from the annular conveying belt 13 to the accommodating groove 331 of the turnover piece 33;

3) The first driving piece 31 drives the turning piece 33 to rotate through the reversing component 32, so that the hanging piece 200 is turned over;

4) The fifth driving member 441 drives the grasping member 41 to descend, the grasping member 41 grasps the hanging piece 200, and the fifth driving member 441 drives the grasping member 41 to ascend;

5) The third driving member 421 drives the grasping member 41 to move in the X direction, and the fourth driving member 431 drives the grasping member 41 to move above the stage 310 in the Y direction;

6) The fifth driving member 441 drives the grasping member 41 to descend, the grasping member 41 places the hanging piece 200 on the stage 310, and the fifth driving member 441 drives the grasping member 41 to ascend;

7) The fourth driving member 431 drives the grasping member 41 to move in the reverse direction of Y, and the third driving member 421 drives the grasping member 41 to move in the reverse direction of X to above the flipping member 33;

8) Repeating the processes 1) to 8) until the loading of all hanging pieces 200 is completed.

Note that in the description of this specification, a description referring to terms "some embodiments", "other embodiments", and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing description is only of the preferred embodiments of the utility model and the technical principles employed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Feeding device, its characterized in that includes:

a transport mechanism (10) configured to drive the hanging sheet (200) to move in a first direction;

an ejector mechanism (20) configured to eject the hanging sheet (200) on the conveying mechanism (10) to move in a second direction;

the turnover mechanism (30) comprises a first frame body (34), a first driving piece (31), a reversing assembly (32) and a turnover piece (33), wherein the turnover piece (33) is pivoted with the first frame body (34), an output member of the first driving piece (31) can do linear motion along a third direction, the first direction, the second direction and the third direction are perpendicular to each other, the output member is connected with the turnover piece (33) through the reversing assembly (32), and the reversing assembly (32) is configured to convert the linear motion of the output member into rotation; and

and a carrying mechanism (40) configured to carry the hanging piece (200) on the turning mechanism (30) to a welding station.

2. Feeding device according to claim 1, wherein the reversing assembly (32) comprises:

a rack (321) fixed to the output member and extending in the third direction; and

the gear (322) is meshed with the rack (321), and the gear (322) is coaxially fixed with the pivot shaft (332) of the turnover piece (33).

3. Feeding device according to claim 2, wherein the tilting mechanism (30) further comprises:

the guide piece (35) is arranged on the first frame body (34), a guide groove (351) extending along the third direction is formed in the guide piece (35), and the rack (321) is inserted into the guide groove (351) and slides along the guide groove (351).

4. A feeding device according to any one of claims 1-3, wherein the conveying mechanism (10) comprises:

a second frame (17);

two conveying wheels (12) are respectively pivoted with the second frame body (17);

the conveying device comprises a transmission assembly (14) and a driving motor (11), wherein the driving motor (11) is connected with at least one conveying wheel (12) through the transmission assembly (14); and

and the annular conveying belt (13) is arranged around the periphery of the two conveying wheels (12) in a surrounding manner and is tensioned by the two conveying wheels (12), and the hanging piece (200) is placed on the outer surface of the annular conveying belt (13).

5. A loading device according to any one of claims 1-3, wherein the ejector mechanism (20) comprises:

a third frame (23);

the ejector (22) is arranged on the third frame body (23) and is in sliding connection with the third frame body (23); and

and a second driving member (21) capable of driving the ejector member (22) to reciprocate in the second direction, wherein the ejector member (22) is capable of pushing the hanging piece (200) on the conveying mechanism (10) into the turnover mechanism (30).

6. A loading device according to any one of claims 1-3, wherein the handling mechanism (40) comprises:

a gripping member (41) configured to pick and place the hanging piece (200);

-a lifting assembly (44) configured to drive the gripper (41) in the third direction;

-a first translation assembly (42) and a second translation assembly (43), the second translation assembly (43) being configured to drive the lifting assembly (44) to move in the second direction, the first translation assembly (42) being configured to drive the second translation assembly (43) to move in the first direction.

7. The loading device of claim 6, wherein the first translation assembly (42) comprises:

a fourth frame (424);

the third driving piece (421) is arranged on the fourth frame body (424), and the output end of the third driving piece (421) is connected with the second translation assembly (43); and

the first guide assembly (422) comprises a first guide rail (4221) and a first sliding block (4222), the first guide rail (4221) is arranged on the fourth frame body (424) and extends along the first direction, the first sliding block (4222) is connected with the second translation assembly (43), and the first sliding block (4222) is in sliding connection with the first guide rail (4221).

8. Feeding device according to claim 6, wherein the second translation assembly (43) comprises:

a fifth frame (435);

a screw (433) pivotally connected to the fifth frame (435) and extending in the second direction;

a fourth driving member (431) coaxially fixed to an output end of the fourth driving member (431);

the nut (434) is screwed on the screw rod (433) and is fixedly connected with the lifting assembly (44); and

and a second guide assembly (432) disposed between the fifth frame (435) and the lifting assembly (44), the second guide assembly (432) being configured to move the lifting assembly (44) in the second direction.

9. The loading device of claim 8, wherein the second guiding assembly (432) comprises:

a second rail (4321) provided on the fifth frame (435) and extending in the second direction; and

and the second sliding block (4322) is connected with the lifting assembly (44), and the second sliding block (4322) is in sliding connection with the second guide rail (4321).

10. Welding line, characterized in that it comprises a loading device according to any one of claims 1 to 9.