CN219116547U - Conveyer and transformer production line - Google Patents

Abstract

A conveying device and a transformer production line relate to the technical field of transformer production and processing. The conveying device comprises a machine base, two first conveying components arranged on the machine base, and two lifting mechanisms respectively arranged at a feeding end and a discharging end of the machine base; the conveying directions of the two first conveying assemblies are parallel to the sequentially arranged directions of the two lifting mechanisms, the conveying directions of the two first conveying assemblies are opposite, and the sequentially arranged directions of the two first conveying assemblies are parallel to the lifting directions of the two lifting mechanisms; the lifting mechanism comprises a support, a lifting assembly arranged on the support, a lifting plate connected with the lifting assembly and a second conveying assembly arranged on the lifting plate, wherein the conveying direction of the second conveying assembly is parallel to the sequential setting directions of the two lifting mechanisms, and the conveying surfaces of the second conveying assembly can be aligned with the conveying surfaces of the two first conveying assemblies respectively. This conveyer can realize automatic feeding and retrieve, uses manpower sparingly cost, has improved work efficiency.

Description

Conveyer and transformer production line

Technical Field

The utility model relates to the technical field of transformer production and processing, in particular to a conveying device and a transformer production line.

Background

In the automatic production process of the transformer, a laser peeling device, a riveting device, a cutting and tin-dipping device are arranged on the conveying mechanism, and the transformer is subjected to the procedures of peeling, riveting, cutting, tin-dipping and the like.

The existing transformer automatic production line generally conveys jigs filled with semi-finished products to each process step one by one through a conveying mechanism for operation, and then the jigs are manually recovered at a terminal point and conveyed to a feeding position.

Disclosure of Invention

The utility model aims to provide a conveying device and a transformer production line, which can realize automatic feeding and recovery of jigs and improve working efficiency.

Embodiments of the present utility model are implemented as follows:

the embodiment of the utility model provides a conveying device, which comprises a machine base, two first conveying components arranged on the machine base, and two lifting mechanisms respectively arranged at a feeding end and a discharging end of the machine base; the conveying directions of the two first conveying assemblies are parallel to the sequentially arranged directions of the two lifting mechanisms, the conveying directions of the two first conveying assemblies are opposite, and the sequentially arranged directions of the two first conveying assemblies are parallel to the lifting directions of the two lifting mechanisms; the lifting mechanism comprises a support, a lifting assembly arranged on the support, a lifting plate connected with the lifting assembly and a second conveying assembly arranged on the lifting plate, wherein the conveying direction of the second conveying assembly is parallel to the sequential setting directions of the two lifting mechanisms, and the conveying surfaces of the second conveying assembly can be aligned with the conveying surfaces of the two first conveying assemblies respectively.

Optionally, the second conveying assembly includes two parallel arrangement's lift frame, two first synchro wheelsets, overlaps the first conveying chain of establishing on two first synchro wheelsets respectively to and the first motor that drive two first synchro wheelsets was transferred, two first synchro wheelsets set up the side that is close to each other at two lift frames respectively, and the conveying face of two first conveying chains is located the coplanar.

Optionally, the lifting assembly comprises a threaded rod arranged on the support and a second motor, the lifting plate is provided with a sliding block in threaded fit with the threaded rod, and the second motor is in driving connection with the threaded rod to drive the lifting plate to move up and down.

Optionally, the lifting assembly further comprises a guide rod arranged on the support, the guide rod is parallel to the threaded rod, and the guide rod penetrates through the lifting plate.

Optionally, the first conveying subassembly includes two mounting brackets of parallel arrangement, two synchronous wheelsets of second, overlaps the second conveying chain of establishing on two synchronous wheelsets respectively to and the third motor that drive two synchronous wheelsets of second was transferred, and two synchronous wheelsets of second set up the side that is close to each other at two mounting brackets respectively, and the conveying face of two conveying chains is located the coplanar.

Optionally, the feeding end and the discharging end of the stand are respectively provided with a lifting platform, the lifting platform is provided with a lifter and a supporting plate connected with the lifter, and the supporting plate supports the positioning jig on the first conveying assembly under the driving of the lifter so as to be separated from the first conveying assembly.

Optionally, the feeding end and the discharging end of the stand are further provided with limiting plates respectively, the limiting plates are located above the first conveying assembly and are correspondingly arranged with the bearing plates along the lifting direction of the lifter, the limiting plates are provided with adjusting grooves, the extending direction of the adjusting grooves is perpendicular to the conveying direction of the first conveying assembly, the stand is provided with bolts, and the bolts penetrate through the adjusting grooves to adjust the positions of the limiting plates.

Optionally, a guide column parallel to the movement direction of the lifter is further arranged on the bearing plate, a guide cylinder is arranged on the lifting table, and the guide column stretches into the guide cylinder and slides back and forth in the guide cylinder.

Optionally, the device further comprises a controller, the two opposite ends of the first conveying component along the conveying direction are respectively provided with a first detector, one end of the second conveying component, facing the first conveying component, of the second conveying component is provided with a second detector, a third detector is arranged above the supporting plate, the first detector, the second detector and the third detector are used for detecting the position of the positioning jig, and the first detector, the second detector, the third detector, the lifting mechanism and the lifter are all electrically connected with the controller.

The embodiment of the utility model also provides a transformer production line, which comprises the conveying device.

The beneficial effects of the embodiment of the utility model include:

the transport device provided by the embodiment of the utility model comprises a machine base, two first conveying components arranged on the machine base, and two lifting mechanisms respectively arranged at a feeding end and a discharging end of the machine base; the conveying directions of the two first conveying assemblies are parallel to the sequentially arranged directions of the two lifting mechanisms, the conveying directions of the two first conveying assemblies are opposite, and the sequentially arranged directions of the two first conveying assemblies are parallel to the lifting directions of the two lifting mechanisms; the lifting mechanism comprises a support, a lifting assembly arranged on the support, a lifting plate connected with the lifting assembly and a second conveying assembly arranged on the lifting plate, wherein the conveying direction of the second conveying assembly is parallel to the sequential setting directions of the two lifting mechanisms, and the conveying surfaces of the second conveying assembly can be aligned with the conveying surfaces of the two first conveying assemblies respectively. Above-mentioned conveyer sets up two-layer first conveying subassembly about on the frame, sets up elevating system respectively at the feed end and the discharge end of frame again, through the elevating system on the elevating system second conveying subassembly's elevating movement, make second conveying subassembly and the first conveying subassembly on upper strata align, or align with the first conveying subassembly on lower floor, and then realize the automatic feeding and the recovery of location tool, the process of manual handling location tool has been avoided, save time and human cost, work efficiency has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a transporting device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a lifting mechanism in a transporting device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the operation of the transportation device according to the embodiment of the present utility model;

FIG. 4 is a second schematic diagram of a lifting mechanism in a transporting device according to an embodiment of the present utility model;

FIG. 5 is a second schematic diagram of a transporting device according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of a supporting and positioning fixture for a supporting plate in a transporting device according to an embodiment of the utility model.

Icon: 100-transporting device; 110-a stand; 111-a feed end; 112-a discharge end; 120-a first transfer assembly; 121-mounting rack; 122-a second conveyor chain; 130-lifting mechanism; 131-a bracket; 1321-threaded rod; 1322-guide bar; 133-lifting plate; 134-a second transfer assembly; 1341-lifting frame; 1342-a first conveyor chain; 1343-first motor; 141-a lifting table; 142-lifters; 143-a support plate; 144-guide posts; 145-guiding cylinder; 200-positioning jig.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be connected between 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.

Referring to fig. 1 and 2 in combination, the embodiment of the present application provides a transporting device 100, which includes a base 110, two first conveying assemblies 120 disposed on the base 110, and two lifting mechanisms 130 disposed at a feeding end 111 and a discharging end 112 of the base 110 respectively; the conveying directions of the two first conveying assemblies 120 are parallel to the sequentially setting directions of the two lifting mechanisms 130, and the conveying directions of the two first conveying assemblies 120 are opposite, and the sequentially setting directions of the two first conveying assemblies 120 are parallel to the lifting directions of the two lifting mechanisms 130; the lifting mechanism 130 includes a bracket 131, a lifting assembly disposed on the bracket 131, a lifting plate 133 connected to the lifting assembly, and a second conveying assembly 134 disposed on the lifting plate 133, a conveying direction of the second conveying assembly 134 is parallel to a sequential disposing direction of the two lifting mechanisms 130, and conveying surfaces of the second conveying assembly 134 can be aligned with conveying surfaces of the two first conveying assemblies 120, respectively.

The machine base 110 comprises an upper layer and a lower layer, the upper layer and the lower layer are respectively provided with a first conveying component 120, the machine base 110 is provided with a feeding end 111 and a discharging end 112 which are opposite, one conveying direction of the two first conveying components 120 is from the feeding end 111 to the discharging end 112, and the other conveying direction is from the discharging end 112 to the feeding end 111. Referring to fig. 3 in combination, the conveying direction of the upper first conveying element 120 is from the feeding end 111 to the discharging end 112, and the conveying direction of the lower first conveying element 120 is from the discharging end 112 to the feeding end 111.

The feeding end 111 and the discharging end 112 of the stand 110 are further provided with a lifting mechanism 130, respectively, and the lifting direction of the lifting mechanism 130 is parallel to the sequential setting directions of the two first conveying assemblies 120, that is, the vertical direction. The lifting mechanism 130 comprises a bracket 131, a lifting assembly, a lifting plate 133 and a second conveying assembly 134, wherein the lifting assembly drives the lifting plate 133 to move up and down, and the second conveying assembly 134 is arranged on the surface of the lifting plate 133 and moves along with the lifting plate 133. The second conveying member 134 has two opposite conveying directions, and is parallel to the conveying direction of the first conveying member 120.

The second conveying member 134 has a first height (solid line position in fig. 3) and a second height (broken line position in fig. 3), when the second conveying member 134 is at the first height, the conveying surface of the second conveying member 134 is at the same height as the conveying surface of the upper first conveying member 120, and the end of the second conveying member 134 is aligned with the end of the first conveying member 120, and the conveying direction of the second conveying member 134 is the same as the conveying direction of the upper first conveying member 120; when the second conveying member 134 is at the second height, the conveying surface of the second conveying member 134 is at the same height as the conveying surface of the first conveying member 120 of the lower layer, and the end of the second conveying member 134 is aligned with the end of the first conveying member 120, the conveying direction of the second conveying member 134 becomes the same as the conveying direction of the first conveying member 120 of the lower layer, so that the positioning jig 200 can be transferred between the first conveying member 120 and the second conveying member 134.

The following describes the operation and principle of the above-mentioned transportation device 100 according to the corresponding embodiment in fig. 3, and the straight arrow in fig. 3 indicates the movement path of the positioning jig 200: the positioning jig 200 moves from the feeding end 111 to the discharging end 112 on the first conveying component 120 on the upper layer, and during the period, a laser peeling device, a riveting device, a cutting and tin-dipping device and the like above the machine seat 110 can perform peeling, riveting, cutting, tin-dipping and other operations on the wires on the iron core on the positioning jig 200; when the positioning jig 200 moves to the discharging end 112 of the stand 110, the lifting mechanism 130 of the discharging end 112 is lifted to a first height, and the positioning jig 200 enters the second conveying assembly 134 of the lifting mechanism 130 from the first conveying assembly 120 on the upper layer; the lifting mechanism 130 of the discharging end 112 descends to a second height, and the positioning jig 200 is transferred from the second conveying assembly 134 to the first conveying assembly 120 at the lower layer and moves from the discharging end 112 to the feeding end 111; when the positioning jig 200 moves to the feeding end 111, the lifting mechanism 130 of the feeding end 111 descends to the second height, and the positioning jig 200 is transferred from the first conveying component 120 of the lower layer to the second conveying component 134 of the lifting mechanism 130; the lifting mechanism 130 of the feeding end 111 is lifted to the first height, and the positioning jig 200 enters the first conveying assembly 120 on the upper layer again, so that automatic feeding and recovery of the positioning jig 200 are realized.

Above-mentioned conveyer 100 sets up upper and lower two-layer first conveying subassembly 120 on frame 110, again sets up elevating system 130 respectively at the feed end 111 and the discharge end 112 of frame 110, through elevating system 130 on the elevating system's the elevating system second conveying subassembly 134, make second conveying subassembly 134 align with upper first conveying subassembly 120, perhaps align with lower floor's first conveying subassembly 120, and then realize the automatic feeding and the recovery of positioning jig 200, the process of manual handling positioning jig 200 has been avoided, save time and human cost, work efficiency has been improved.

Referring to fig. 2 and 4, in an alternative implementation manner of the embodiment of the present utility model, the second conveying assembly 134 includes two parallel lifting frames 1341, two first synchronous wheel sets, first conveying chains 1342 respectively sleeved on the two first synchronous wheel sets, and a first motor 1343 driving the two first synchronous wheel sets to transfer, where the two first synchronous wheel sets are respectively disposed on sides of the two lifting frames 1341 close to each other, and conveying surfaces of the two first conveying chains 1342 are located in the same plane.

The lifting frames 1341 are parallel to the conveying direction of the first conveying assembly 120, and the surfaces of the two lifting frames 1341, which are close to each other, are respectively provided with a first synchronous wheel set, and the axes of synchronous wheels in the first synchronous wheel set are perpendicular to the surfaces of the lifting frames 1341. The first conveying chain 1342 is sleeved on the first synchronous wheel set and moves synchronously with the first synchronous wheel set, the first motor 1343 is in driving connection with one synchronous wheel in the first synchronous wheel set, and the first conveying chain 1342 is driven to move by driving the synchronous wheel to rotate. Opposite ends of the positioning jig 200 are respectively placed on the two first conveying chains 1342, so that the positioning jig 200 can be conveyed by the first conveying chains 1342. The first motor 1343 is illustratively a servo motor.

Alternatively, in one implementation manner of the embodiment of the present utility model, the lifting assembly includes a threaded rod 1321 disposed on the bracket 131 and a second motor, and the lifting plate 133 is provided with a slider that is in threaded fit with the threaded rod 1321, and the second motor is in driving connection with the threaded rod 1321 to drive the lifting plate 133 to move up and down.

The axis direction of the threaded rod 1321 is parallel to the lifting direction of the lifting mechanism 130, the lifting plate 133 is connected with the threaded rod 1321 through a sliding block, the second motor is connected with the threaded rod 1321 in a driving manner, the second motor drives the threaded rod 1321 to reciprocate, the rotation motion of the threaded rod 1321 can be converted into the linear motion of the lifting plate 133 through the sliding block, and then the lifting plate 133 drives the second conveying assembly 134 to move up and down, so that the up-and-down lifting step of the positioning jig 200 is completed. Illustratively, the second motor is a servo motor; the second motor is drivingly connected to the threaded rod 1321 by two synchronizing wheels.

0 optionally, in one implementation manner of the embodiment of the present utility model, the lifting assembly further includes a guide rod 1322 disposed on the bracket 131, where the guide rod 1322 is parallel to the threaded rod 1321, and the guide rod 1322 passes through the lifting plate 133 to guide the movement of the lifting plate 133, so as to prevent the threaded rod 1321 from being blocked due to the shift of the position of the lifting plate 133.

Illustratively, the guide rod 1322 includes two guide rods 1322 symmetrically disposed at both sides of the screw 5 bar 1321 to make the movement of the elevation plate 133 smoother.

Referring to fig. 1 and 5, in an alternative implementation manner of the embodiment of the present utility model, the first conveying assembly 120 includes two mounting frames 121 arranged in parallel, two second synchronous wheel sets, a second conveying chain 122 respectively sleeved on the two second synchronous wheel sets, and a third motor driving the two second synchronous wheel sets to transfer, wherein the two second synchronous wheel sets are respectively arranged 0 on sides of the two mounting frames 121 close to each other, and conveying surfaces of the two second conveying chains 122 are located in the same plane.

Two ends of the mounting frame 121 are respectively located at the feeding end 111 and the discharging end 112, the surfaces of the two mounting frames 121, which are close to each other, are respectively provided with a second synchronous wheel set, and the axis of the synchronous wheel in the second synchronous wheel set is perpendicular to the surface of the mounting frame 121. The second conveying chain 122 is sleeved on the second synchronous wheel set and moves synchronously with the second synchronous wheel set, the third motor is in driving connection with one synchronous wheel in the second synchronous wheel set, and the second conveying chain 122 is driven to move by driving the synchronous wheel to rotate. Opposite ends of the positioning jig 200 are respectively placed on the two second conveying chains 122, so that the positioning jig 200 can be conveyed by the second conveying chains 122. The third motor is illustratively a servo motor.

Referring to fig. 5 and 6, in an alternative implementation manner of the embodiment of the present utility model, the feeding end 111 and the discharging end 112 of the base 110 are respectively provided with a lifting platform 141, the lifting platform 141 is provided with a lifter 142 and a supporting plate 143 connected to the lifter 142, and the supporting plate 143 supports the positioning fixture 200 on the first conveying assembly 120 under the driving of the lifter 142 so as to be separated from the first conveying assembly 120.

The lifting direction of the lifter 142 is parallel to the lifting direction of the lifting mechanism 130, and a supporting plate 143 is provided at the lifting end of the lifter 142, and reciprocates in the vertical direction by the driving of the lifter 142. When the lifter 142 drives the supporting plate 143 to move upwards, the supporting plate 143 can lift the positioning jig 200 on the first conveying assembly 120, so that the first conveying assembly 120 is separated and does not move along with the first conveying assembly 120. The bearing plate 143 arranged at the feeding end 111 suspends the positioning jig 200 so as to perform feeding operation on the positioning jig 200; the supporting plate 143 disposed at the discharging end 112 suspends the positioning jig 200, so as to perform a material taking operation on the positioning jig 200. After the loading or unloading operation is completed, the supporting plate 143 is lowered, so that the positioning jig 200 is again placed on the first conveying assembly 120 to be conveyed.

Illustratively, the lifter 142 is a lifting cylinder, which is disposed below the support plate 143, and a telescopic rod of the lifting cylinder is connected to the support plate 143.

Optionally, in an implementation manner of the embodiment of the present utility model, a guide column 144 parallel to the moving direction of the lifter 142 is further provided on the supporting plate 143, and a guide cylinder 145 is provided on the lifting table 141, where the guide column 144 extends into the guide cylinder 145 and slides reciprocally in the guide cylinder 145. The guide column 144 and the guide cylinder 145 are slidably engaged up and down to guide the movement of the support plate 143, so that the movement of the support plate 143 is smoother.

Illustratively, the guide posts 144 include four support plates 143 having a rectangular shape, and the four guide posts 144 are respectively disposed corresponding to four corners of the support plates 143, and the lifter 142 is centrally coupled to the lower surface of the support plates 143.

Optionally, in an implementation manner of the embodiment of the present utility model, the feeding end 111 and the discharging end 112 of the stand 110 are further provided with a limiting plate respectively, the limiting plate is located above the first conveying component 120 and is disposed corresponding to the supporting plate 143 along the lifting direction of the lifter 142, an adjusting groove is disposed on the limiting plate, the extending direction of the adjusting groove is perpendicular to the conveying direction of the first conveying component 120, and a bolt is disposed on the stand 110 and passes through the adjusting groove to adjust the position of the limiting plate.

The limiting plate is arranged above the first conveying assembly 120 and corresponds to the supporting plate 143 in position along the vertical direction, and when the supporting plate 143 moves upwards to suspend the positioning jig 200, the limiting plate abuts against the positioning jig 200 above the positioning jig 200 so as to limit the positioning jig 200. The limiting plate is provided with an adjusting groove, the extending direction of the adjusting groove is perpendicular to the conveying direction of the first conveying assembly 120, and the position of the limiting plate can be adjusted by adjusting the matching position of the bolt on the base 110 and the adjusting groove. That is, unscrewing the bolt can enable the limiting plate to slide along the extending direction of the adjusting groove, and after the position of the limiting plate is adjusted, the bolt is screwed down, so that the limiting plate can be fixed.

Optionally, in an implementation manner of the embodiment of the present utility model, the device further includes a controller, two opposite ends of the first conveying component 120 along the conveying direction are respectively provided with a first detector, one end of the second conveying component 134 facing the first conveying component 120 is provided with a second detector, a third detector is provided above the supporting board 143, the first detector, the second detector and the third detector are used for detecting the position of the positioning fixture 200, and the first detector, the second detector, the third detector, the lifting mechanism 130 and the lifter 142 are all electrically connected with the controller.

The first detector is used for detecting whether the positioning jig 200 reaches the feeding end 111 or the discharging end 112 of the stand 110, if the first detector detects the positioning jig 200, a detection signal is transmitted to the controller, and the controller controls the lifting mechanism 130 to lift so as to transfer the positioning jig 200 in the horizontal direction. The second detector is used for detecting whether the positioning jig 200 is transferred to the second conveying component 134, if the second detector detects the positioning jig 200, a detection signal is transmitted to the controller, and the controller controls the lifting mechanism 130 to lift so as to transfer the positioning jig 200 in the vertical direction, so that the lifting mechanism 130 and the first conveying component 120 are automatically controlled to cooperate to convey the positioning jig 200, and automation is realized. The third detector is used for detecting whether the positioning jig 200 is transported to the upper portion of the supporting plate 143, if the third detector detects the positioning jig 200, a detection signal is transmitted to the controller, and the controller controls the lifter 142 to act, so that the positioning jig 200 is suspended. It will be appreciated that a third detector is provided above the carrier plate 143 at both the feed end 111 and the discharge end 112. Illustratively, the first detector, the second detector, and the third detector are photodetectors.

The present embodiment also provides a transformer production line, including the transporting device 100 according to any one of the above.

The transformer production line includes the same structure and advantages as the transport device 100 in the previous embodiment. The structure and the advantages of the transporting device 100 are described in detail in the foregoing embodiments, and are not described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The conveying device is characterized by comprising a machine base, two first conveying components arranged on the machine base, and two lifting mechanisms respectively arranged at a feeding end and a discharging end of the machine base;

the conveying directions of the two first conveying components are parallel to the sequential setting directions of the two lifting mechanisms, the conveying directions of the two first conveying components are opposite, and the sequential setting directions of the two first conveying components are parallel to the lifting directions of the two lifting mechanisms;

the lifting mechanism comprises a support, lifting components arranged on the support, lifting plates connected with the lifting components, and second conveying components arranged on the lifting plates, wherein the conveying direction of the second conveying components is parallel to the sequential setting directions of the two lifting mechanisms, and the conveying surfaces of the second conveying components can be aligned with the conveying surfaces of the two first conveying components respectively.

2. The transporting device according to claim 1, wherein the second transporting assembly comprises two parallel lifting frames, two first synchronizing wheel sets, first transporting chains respectively sleeved on the two first synchronizing wheel sets, and a first motor for driving the two first synchronizing wheel sets to transfer, the two first synchronizing wheel sets are respectively arranged on the side surfaces of the two lifting frames, which are close to each other, and the transporting surfaces of the two first transporting chains are located in the same plane.

3. The transport device of claim 1, wherein the lifting assembly comprises a threaded rod and a second motor, the threaded rod is arranged on the support, a sliding block in threaded fit with the threaded rod is arranged on the lifting plate, and the second motor is in driving connection with the threaded rod to drive the lifting plate to move up and down.

4. A transportation device according to claim 3, wherein the lifting assembly further comprises a guide bar provided on the support, the guide bar being parallel to the threaded rod, the guide bar passing through the lifting plate.

5. The transporting device according to claim 1, wherein the first transporting assembly comprises two mounting frames, two second synchronizing wheel sets, second transporting chains respectively sleeved on the two second synchronizing wheel sets, and a third motor for driving the two second synchronizing wheel sets to transfer, the two second synchronizing wheel sets are respectively arranged on the side surfaces of the two mounting frames, which are close to each other, and the transporting surfaces of the two second transporting chains are located in the same plane.

6. The transport device according to claim 1, wherein the feeding end and the discharging end of the stand are respectively provided with a lifting table, a lifter and a supporting plate connected with the lifter are arranged on the lifting table, and the supporting plate supports the positioning jig on the first conveying assembly to be separated from the first conveying assembly under the driving of the lifter.

7. The transporting device according to claim 6, wherein the feeding end and the discharging end of the stand are further provided with limiting plates respectively, the limiting plates are located above the first conveying assembly and are arranged corresponding to the supporting plates along the lifting direction of the lifter, the limiting plates are provided with adjusting grooves, the extending directions of the adjusting grooves are perpendicular to the conveying direction of the first conveying assembly, and the stand is provided with bolts penetrating through the adjusting grooves to adjust the positions of the limiting plates.

8. The transport device according to claim 6, wherein the support plate is further provided with a guide column parallel to the moving direction of the lifter, and the lifting table is provided with a guide cylinder, and the guide column extends into the guide cylinder and slides reciprocally in the guide cylinder.

9. The transport device of claim 6, further comprising a controller, wherein first detectors are disposed at opposite ends of the first conveying assembly along the conveying direction, a second detector is disposed at one end of the second conveying assembly facing the first conveying assembly, a third detector is disposed above the supporting plate, the first detector, the second detector, and the third detector are used for detecting the position of the positioning jig, and the first detector, the second detector, the third detector, the lifting mechanism, and the lifting device are all electrically connected with the controller.

10. A transformer production line comprising a transport device according to any one of claims 1 to 9.

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