Automatic transport turnover vehicle and transfer line thereof

Abstract

The present invention relates to the field of logistics and transportation assembly lines, and in particular to an automatic transport turnover vehicle and a transfer assembly line thereof, comprising a supporting base plate, a first transport wheel group arranged on the supporting base plate, a supporting function plate, a pushing mechanism, and a cart pushing mechanism, wherein the first transport wheel group is fixedly arranged on the supporting base plate, the supporting base plate and the supporting function plate are parallel to each other and the supporting function plate is arranged above the supporting base plate, the pushing mechanism is arranged between the supporting base plate and the supporting function plate, the bottom of the pushing mechanism is fixedly connected to the upper surface of the supporting base plate, and the top is rotatably connected to the lower bottom surface of the supporting function plate, and the cart pushing mechanism is arranged at the center position of the upper top surface of the supporting function plate, which solves the technical problem of single functionality of the automatic transport turnover vehicle in the existing mosquito coil production field and satisfies the requirement of synchronous operation of material shaking and reversing during the mosquito coil transportation process.

Description

Technical Field

[0001] The present invention relates to the field of logistics transportation assembly lines, and in particular to an automatic transportation turnover vehicle and a transfer assembly line thereof. Background Art

[0002] The assembly line, also known as the assembly line, is an industrial production method in which each production unit focuses on processing only a certain part of the work to improve work efficiency and output.

[0003] The assembly line is an effective combination of man and machine, which fully reflects the flexibility of the equipment. It organically combines the conveying system, accompanying fixtures, online special machines and testing equipment to meet the conveying requirements of multiple varieties of products. The transmission mode of the conveyor line can be synchronous transmission (mandatory) or asynchronous transmission (flexible). According to the configuration selection, the assembly and conveying requirements can be achieved. The conveyor line is indispensable in the mass production of enterprises.

[0004] Assembly lines are used for automated transportation of product production. Raw materials are automatically transported to different workstations for processing, completing the process from raw materials to semi-finished products to finished products. During the layout of the transportation assembly line, space utilization needs to be considered, especially for production lines with complex processes. If they are extended in only one direction, it will cause a waste of space. Therefore, existing industrial production and transportation assembly lines will stagger the transportation tracks for different processes, and use transportation turnover vehicles to transfer the transportation vehicles to improve space utilization.

[0005] The invention patent with Chinese patent application number 202211367402.6 discloses an automatic depalletizing system for transport carts of multiple groups of turnover boxes, which relates to the technical field of intelligent depalletizing equipment. After being transported by a forklift, the transport carts of multiple groups of turnover boxes are placed on the cart parking device, the color recognition device identifies the color of the turnover box, the position sensor measures the height of the turnover box and feeds it back to the control system, and the control system obtains the model, position and quantity of the turnover box after analysis. Under the coordinated action of the first horizontal moving device and the vertical moving device, the clamping device depalletizes the turnover box and places it on the turnover box conveying device; after the depalletizing of the turnover box is completed, the clamping device places the transport cart on the cart buffer device and stacks it. After the stacking is completed, the cart lifting device lifts the transport cart, and after the second horizontal moving device drives it to the designated position, the transport cart is lowered to the cart placement plate and the cart limit frame, so as to realize the rapid storage and retrieval of multiple groups of cart stacks, greatly improving efficiency. The technical solution proposed in the above invention patent is mainly used to realize the rapid storage and retrieval of multiple groups of small cart stacks and improve work efficiency. However, in the production line of mosquito coils, due to the special material of mosquito coils, after the raw materials are mixed and then transported to the baking room for high-temperature drying and baking, the floating materials on the surface need to be processed. Traditional fan drying has the technical problems of too small power resulting in incomplete processing and too large power damaging the structure of the mosquito coil itself. Summary of the invention

[0006] Therefore, in response to the above problems, the present invention proposes an automatic transport turnover vehicle and a transfer line thereof, which solves the technical problem of the single functionality of the automatic transport turnover vehicles in the existing mosquito coil production field and satisfies the requirement of synchronous operation of material shaking and direction reversing during the mosquito coil transportation process.

[0007] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an automatic transport turnover vehicle, comprising a supporting base, a first transport wheel group arranged on the supporting base, a supporting function plate, a pushing mechanism, and a cart pushing mechanism, wherein the first transport wheel group is fixedly arranged on the supporting base, the supporting base and the supporting function plate are parallel to each other and the supporting function plate is arranged above the supporting base, the pushing mechanism is arranged between the supporting base and the supporting function plate, the bottom of which is fixedly connected to the upper surface of the supporting base, and the top is rotatably connected to the lower bottom surface of the supporting function plate, the cart pushing mechanism is arranged at the center position of the upper top surface of the supporting function plate, and is used for clamping the lower bottom surface of the cart and guiding it to the supporting function plate for moving and turnover;

[0008] The support base plate includes a first support base plate and a second support base plate that are inserted and spliced ​​with each other, and the support function plate includes a first support function plate and a second support function plate that are inserted and spliced ​​with each other, and the push mechanism controls the vertical spacing between the support base plate and the support function plate, and simultaneously controls the horizontal spacing between the first support base plate and the second support base plate, and between the first support function plate and the second support function plate;

[0009] The pushing mechanism comprises a first pushing drive unit, a second pushing drive unit, a third pushing drive unit and a fourth pushing drive unit, wherein the first pushing drive unit and the second pushing drive unit are arranged on the first supporting bottom plate, the third pushing drive unit and the fourth pushing drive unit are arranged on the second supporting bottom plate, a first connecting cross bar is arranged between the first pushing drive unit and the third pushing drive unit, a second connecting cross bar is arranged between the second pushing drive unit and the fourth pushing drive unit, the first connecting cross bar and the second connecting cross bar are both threaded rods, the first connecting cross bar and the second connecting cross bar are respectively driven to rotate by a first driving motor arranged in the first pushing drive unit and a second driving motor arranged in the second pushing drive unit, the first connecting cross bar is threadedly connected to the third pushing drive unit, and the second connecting cross bar is threadedly connected to the fourth pushing drive unit;

[0010] The first connecting cross bar and the second connecting cross bar are driven to rotate by the first driving motor and the second driving motor respectively, and the spacing between the first supporting bottom plate and the second supporting bottom plate is controlled by the degree of engagement with the third pushing driving part and the fourth pushing driving part, and the spacing between the first supporting functional plate and the second supporting functional plate is synchronously controlled;

[0011] The first pushing drive unit is provided with a first pushing rod, the second pushing drive unit is provided with a second pushing rod, the third pushing drive unit is provided with a third pushing rod, and the fourth pushing drive unit is provided with a fourth pushing rod. The first pushing rod, the second pushing rod, the third pushing rod and the fourth pushing rod are all threaded rods, and are all driven to rotate by a rotating motor, and the distance between the supporting bottom plate and the supporting function plate is controlled by respectively extending the distance of the first pushing drive unit, the second pushing drive unit, the third pushing drive unit and the fourth pushing drive unit, so as to raise or lower the supporting function plate;

[0012] Four connecting holes are arranged on the lower bottom surface of the supporting function plate, and each of the connecting holes is threadedly connected to the first push rod, the second push rod, the third push rod and the fourth push rod respectively. An intermittent vibration mechanism is arranged in each of the connecting holes, and the supporting function plate is vibrated up and down with a small amplitude through the intermittent vibration mechanism.

[0013] Furthermore, the intermittent vibration mechanism includes a locking block arranged on the edge of the connecting hole, a contact block arranged on the inner top surface of the connecting hole, and a connecting rod connecting the locking block and the contact block. The locking block and the contact block are linked through the connecting rod. The locking block moves by extending outward or retracting inward, and the contact block is a magnetic block.

[0014] Furthermore, the contact block always maintains magnetic attraction with the free ends of the first push rod, the second push rod, the third push rod and the fourth push rod.

[0015] Furthermore, when the first push rod, the second push rod, the third push rod and the fourth push rod are all magnetically connected to the contact block, the clamping block extends outward and is meshed and connected with the four push rods. As the four connecting rods continue to rotate and separate from the contact block, the mutual magnetic attraction force is converted into a traction force to retract the clamping block. At this time, the meshing connection is converted into a smooth connection, and the four push rods are magnetically connected to the contact block again under the action of the magnetic attraction force, and the cycle is repeated.

[0016] Furthermore, the cart pushing mechanism includes a left support beam, a center support beam and a right support beam, the left support beam is fixedly arranged on the first support function plate, the right support beam is fixedly arranged on the second support function plate, the center support beam is arranged between the left support beam and the right support beam, and the center support beam is provided with an active pushing gear, a driven pushing gear, and a pushing chain sleeved on the active pushing gear and the driven pushing gear. The active pushing gear is driven to rotate by a third driving motor and thus drives the pushing chain to rotate, and a pushing block is fixedly arranged on the pushing chain.

[0017] A transfer assembly line comprises a transport track and an automatic transport turnover vehicle, wherein the automatic transport turnover vehicle moves back and forth along the length direction of the transport track.

[0018] By adopting the above technical solution, the beneficial effects of the present invention are:

[0019] 1. Compared with the existing assembly line transfer vehicle, the present invention can adapt to various specifications of automatic transport carts on the assembly line by adjusting its own structure during the transfer process, enriching the use scenarios and improving work efficiency. At the same time, the automatic transport turnover vehicle proposed by the present invention also synchronously vibrates the automatic transport cart with a slight amplitude during the turnover process. On the one hand, this action will not affect the semi-finished mosquito coils carried on the automatic transport cart. On the other hand, it can transmit vibration to the semi-finished mosquito coils, so that the floating debris on the surface of the semi-finished mosquito coils is quickly shaken off, so that the surface cleanliness of the finished mosquito coils formed after the semi-finished mosquito coils enter the drying room for drying meets the factory standard, ensuring that the user will not get their hands dirty when picking up mosquito coils for use. The specific improvement of the present invention is that the originally integrated support base plate and support function plate are split into split structures, and the split structure ensures that the surface areas of the support base plate and the support function plate are adjustable, so as to adapt to automatic transport carts of different specifications and sizes. In order to ensure operational stability, the adjustments are all small-range adjustments.

[0020] 2. In the present invention, a pushing mechanism is provided on the support base plate, and the distance between the support function plate and the support base plate is adjusted by the pushing mechanism. This further enables the automatic transport trolley to reach the transport tracks of different heights for transportation when the heights of the transport tracks in the assembly line of each process are different. At the same time, the automatic transport turnover vehicle in the present invention can realize the directional transportation of the automatic transport trolley, thereby reasonably shortening the length of the overall assembly line and improving the space utilization rate of the factory.

[0021] 3. In the present invention, the acceptance and transfer of the automatic transport trolley are realized by the trolley pushing mechanism on the supporting function plate, and the synchronous vibration process is realized by the pushing mechanism. On the one hand, the pushing mechanism can adjust the distance between the supporting bottom plate and the supporting function plate, and on the other hand, it can vibrate during the pushing process. That is, the function of the pushing mechanism is not only to push, but also to generate vibration as a vibration mechanism. The pushing principle and the vibration principle cooperate with each other without interference, share a power system, and reduce energy consumption.

[0022] 4. The reason why the pushing mechanism in the present invention can generate vibration is that it generates vibration completely through its own structural improvement, rather than by setting up an electric drive system. In short, its vibration generation is completely dependent on the realization of the pushing function to achieve functional extension, specifically: a connecting hole connected to the first pushing rod, the second pushing rod, the third pushing rod and the fourth pushing rod is provided on the lower bottom surface of the supporting function plate, and a purely mechanical intermittent vibration mechanism is provided in the connecting hole. The intermittent vibration mechanism works with the approach and separation of the four pushing rods. At the same time, whether the four pushing rods can perform pushing also depends on the intermittent vibration mechanism. The two complement each other and work together, specifically: The vibration mechanism includes a clamping block, a contact block, and a connecting rod. The connecting rod connects the clamping block and the contact block. In the actual working process, only when the clamping block extends outward, the pushing rod will engage with the connecting hole, and then the pushing operation can be performed. When the clamping block retracts inward, the pushing rod will be connected to the smooth surface of the connecting hole. The supporting function plate will fall freely under the action of its own gravity, and the inward retraction of the clamping block also depends on the traction brought by the magnetic attraction between the contact block and the pushing rod. This up and down cycle causes the supporting function plate to vibrate, and then drives the automatic transport trolley to vibrate. In this process, the floating dust on the surface of the mosquito coil semi-finished product on the automatic transport trolley will be shaken off.

[0023] 5. The central support beam in the cart pushing mechanism of the present invention serves as a pushing mechanism for the automatic transport trolley, which can push the trolley onto the supporting function plate for transportation, and then can also send the automatic transport trolley to the next docking transport track. This is specifically achieved through the pushing block on its pushing chain. As the pushing chain rotates, the pushing block exerts a pushing force on the automatic transport trolley, driving the automatic transport trolley to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the overall structure of the automatic transport turnover vehicle of the present invention;

[0027] Figure 3 This is a schematic diagram of the side structure of the automatic transport turnover vehicle of the present invention;

[0028] Figure 4 A schematic diagram of the top view of the supporting base plate of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the first push driving part in the present invention;

[0030] Figure 6for Figure 5 Enlarged view of point A in the middle;

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure of the central support beam in the present invention;

[0032] Figure 8 It is a schematic diagram of the side structure of the central support beam in the present invention. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0034] See also Figure 1-Figure 8 The present invention provides an automatic transport turnover vehicle, comprising a supporting base plate 1, a first transport wheel group 8 arranged on the supporting base plate 1, a supporting function board 2, a pushing mechanism 4, and a cart pushing mechanism 5, wherein the first transport wheel group 8 is fixedly arranged on the supporting base plate 1, the supporting base plate 1 and the supporting function board 2 are parallel to each other and the supporting function board 2 is arranged above the supporting base plate 1, the pushing mechanism 4 is arranged between the supporting base plate 1 and the supporting function board 2, the bottom of which is fixedly connected to the upper surface of the supporting base plate 1, and the top is rotatably connected to the lower bottom surface of the supporting function board 2, the cart pushing mechanism 5 is arranged at the center position of the upper top surface of the supporting function board 2, and is used to clamp the lower bottom surface of the cart 6 and guide it to the supporting function board 2 for moving and turnover;

[0035] The supporting base plate 1 includes a first supporting base plate 11 and a second supporting base plate 12 which are inserted and spliced ​​with each other, and the supporting functional board 2 includes a first supporting functional board 21 and a second supporting functional board 22 which are inserted and spliced ​​with each other. The pushing mechanism 4 controls the vertical spacing between the supporting base plate 1 and the supporting functional board 2, and synchronously controls the lateral spacing between the first supporting base plate 11 and the second supporting base plate 12, and the first supporting functional board 21 and the second supporting functional board 22.

[0036] The pushing mechanism 4 includes a first pushing drive unit 41, a second pushing drive unit 42, a third pushing drive unit 43 and a fourth pushing drive unit 44. The first pushing drive unit 41 and the second pushing drive unit 42 are arranged on the first supporting bottom plate 11, and the third pushing drive unit 43 and the fourth pushing drive unit 44 are arranged on the second supporting bottom plate 12. A first connecting cross bar 45 is arranged between the first pushing drive unit 41 and the third pushing drive unit 43, and a second connecting cross bar 46 is arranged between the second pushing drive unit 42 and the fourth pushing drive unit 44. The first connecting cross bar 45 is arranged between the first pushing drive unit 41 and the third pushing drive unit 43, and a second connecting cross bar 46 is arranged between the second pushing drive unit 42 and the fourth pushing drive unit 44. The rod 45 and the second connecting cross bar 46 are both threaded rods, and the first connecting cross bar 45 and the second connecting cross bar 46 are driven to rotate by a first drive motor arranged in the first pushing drive part 41 and a second drive motor arranged in the second pushing drive part 42 respectively. The first connecting cross bar 45 is threadedly connected to the third pushing drive part 43, and the second connecting cross bar 46 is threadedly connected to the fourth pushing drive part 44, wherein the first drive motor and the second drive motor are both well-known devices, which are used to drive the rotation of the first connecting cross bar 45 and the second connecting cross bar 46, and will not be elaborated here.

[0037] The first pushing drive part 41 is provided with a first pushing rod 411, the second pushing drive part 42 is provided with a second pushing rod 421, the third pushing drive part 43 is provided with a third pushing rod 431, and the fourth pushing drive part 44 is provided with a fourth pushing rod 441. The first pushing rod 411, the second pushing rod 421, the third pushing rod 431 and the fourth pushing rod 441 are all threaded rods, which are driven to rotate by a rotating motor, and the distance between the supporting base plate 1 and the supporting function plate 2 is controlled by extending the first pushing drive part 41, the second pushing drive part 42, the third pushing drive part 43 and the fourth pushing drive part 44 respectively, so as to raise or lower the supporting function plate 2, wherein the rotating motor is a well-known device, and the first pushing rod 411, the second pushing rod 421, the third pushing rod 431 and the fourth pushing rod 441 move synchronously.

[0038] Four connecting holes 211 are arranged on the lower bottom surface of the supporting function plate 2, and each of the connecting holes 211 is threadedly connected with the first push rod 411, the second push rod 421, the third push rod 431 and the fourth push rod 441 respectively, and an intermittent vibration mechanism is arranged in each of the connecting holes 211, through which the supporting function plate 2 is vibrated up and down with a small amplitude, and the intermittent vibration mechanism includes a clamping block 213 arranged on the edge of the connecting hole 211, a contact block 212 arranged on the inner top surface of the connecting hole 211, and a contact block 213 connected to the contact block 213. The connecting rod 214 of the contact block 212, the clamping block 213 and the contact block 212 are linked through the connecting rod 214, the movement of the clamping block 213 is to extend outward or retract inward, the contact block 212 is a magnetic block, and the connecting rod 214 is a metal rod with a certain metal elastic potential energy, which can undergo metal deformation under force to avoid mechanical interference during movement; the contact block 212 always maintains magnetic attraction with the free ends of the first push rod 411, the second push rod 421, the third push rod 431 and the fourth push rod 441.

[0039] Among them, the working principle of the intermittent vibration mechanism is: when the first push rod 411, the second push rod 421, the third push rod 431 and the fourth push rod 441 are all magnetically connected to the contact block 212, the clamping block 213 extends outward and engages with the four push rods. As the four connecting rods continue to rotate and separate from the contact block 212, the mutual magnetic attraction force is converted into traction force to retract the clamping block 213. At this time, the meshing connection is converted into a smooth connection, and the four push rods are magnetically connected to the contact block 212 again under the action of the magnetic attraction force, and this cycle is repeated.

[0040] The cart pushing mechanism 5 includes a left support beam 51, a center support beam 53 and a right support beam 52. The left support beam 51 is fixedly arranged on the first support function plate 21, and the right support beam 52 is fixedly arranged on the second support function plate 22. The center support beam 53 is arranged between the left support beam 51 and the right support beam 52. The center support beam 53 is provided with an active pushing gear 54, a driven pushing gear 55, and a pushing chain 57 sleeved on the active pushing gear 54 and the driven pushing gear 55. The active pushing gear 54 is driven to rotate by the third driving motor and then drives the pushing chain 57 to rotate. A pushing block 56 is fixedly arranged on the pushing chain 57. The third driving motor is also a well-known device and will not be described in detail here.

[0041] This embodiment simultaneously proposes a transfer assembly line, including a transport track 7 and an automatic transport turnover vehicle, and the automatic transport turnover vehicle moves back and forth along the length direction of the transport track 7.

[0042] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic transport turnover vehicle, characterized in that: The trolley push mechanism is a first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base, the first mechanism for pushing the trolley onto the support base The support base plate includes a first support base plate and a second support base plate that are inserted and spliced ​​with each other, and the support function plate includes a first support function plate and a second support function plate that are inserted and spliced ​​with each other, and the push mechanism controls the vertical spacing between the support base plate and the support function plate, and simultaneously controls the horizontal spacing between the first support base plate and the second support base plate, and between the first support function plate and the second support function plate; The pushing mechanism comprises a first pushing drive unit, a second pushing drive unit, a third pushing drive unit and a fourth pushing drive unit, wherein the first pushing drive unit and the second pushing drive unit are arranged on the first supporting bottom plate, the third pushing drive unit and the fourth pushing drive unit are arranged on the second supporting bottom plate, a first connecting cross bar is arranged between the first pushing drive unit and the third pushing drive unit, a second connecting cross bar is arranged between the second pushing drive unit and the fourth pushing drive unit, the first connecting cross bar and the second connecting cross bar are both threaded rods, the first connecting cross bar and the second connecting cross bar are respectively driven to rotate by a first driving motor arranged in the first pushing drive unit and a second driving motor arranged in the second pushing drive unit, the first connecting cross bar is threadedly connected to the third pushing drive unit, and the second connecting cross bar is threadedly connected to the fourth pushing drive unit; The first connecting cross bar and the second connecting cross bar are driven to rotate by the first driving motor and the second driving motor respectively, and the spacing between the first supporting bottom plate and the second supporting bottom plate is controlled by the degree of engagement with the third pushing driving part and the fourth pushing driving part, and the spacing between the first supporting functional plate and the second supporting functional plate is synchronously controlled; The first pushing drive unit is provided with a first pushing rod, the second pushing drive unit is provided with a second pushing rod, the third pushing drive unit is provided with a third pushing rod, and the fourth pushing drive unit is provided with a fourth pushing rod. The first pushing rod, the second pushing rod, the third pushing rod and the fourth pushing rod are all threaded rods, and are all driven to rotate by a rotating motor, and the distance between the supporting bottom plate and the supporting function plate is controlled by respectively extending the distance of the first pushing drive unit, the second pushing drive unit, the third pushing drive unit and the fourth pushing drive unit, so as to raise or lower the supporting function plate; Four connecting holes are arranged on the lower bottom surface of the supporting function plate, each of which is threadedly connected to the first push rod, the second push rod, the third push rod and the fourth push rod, and each of the connecting holes is provided with an intermittent vibration mechanism, through which the supporting function plate is vibrated up and down with a small amplitude; The intermittent vibration mechanism includes a clamping block arranged on the edge of the connecting hole, a contact block arranged on the inner top surface of the connecting hole, and a connecting rod connecting the clamping block and the contact block. The clamping block and the contact block are linked through the connecting rod. The clamping block moves in a manner of extending outward or retracting inward, and the contact block is a magnetic block.

2. The automatic transport turnover vehicle according to claim 1, characterized in that: The contact block always maintains magnetic attraction with the free ends of the first push rod, the second push rod, the third push rod and the fourth push rod.

3. The automatic transport turnover vehicle according to claim 2, characterized in that: When the first push rod, the second push rod, the third push rod and the fourth push rod are all magnetically connected to the contact block, the clamping block extends outward and meshes with the four push rods. As the four connecting rods continue to rotate and separate from the contact block, the mutual magnetic attraction force is converted into traction force to retract the clamping block. At this time, the meshing connection is converted into a smooth connection, and the four push rods are magnetically connected to the contact block again under the action of the magnetic attraction force, and the cycle is repeated.

4. The automatic transport vehicle according to claim 3, characterized in that: The cart pushing mechanism includes a left support beam, a center support beam and a right support beam. The left support beam is fixedly arranged on the first support function plate, the right support beam is fixedly arranged on the second support function plate, the center support beam is arranged between the left support beam and the right support beam, and the center support beam is provided with an active pushing gear, a driven pushing gear, and a pushing chain sleeved on the active pushing gear and the driven pushing gear. The active pushing gear is driven to rotate by a third driving motor and then drives the pushing chain to rotate, and a pushing block is fixedly arranged on the pushing chain.

5. A transfer line, comprising a transport track and the automatic transport turnover vehicle according to claim 4, characterized in that: The automatic transport turnover vehicle moves back and forth along the length direction of the transport track.

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