pipeline structure

Abstract

The present disclosure provides a pipeline structure, which comprises a bottom plate, a first support plate, a second support plate, a first conveying device, a second conveying device, a lifting pallet assembly and a lifting driving device; the first conveying device and the second conveying device are used for conveying a carrier; the lifting pallet assembly is arranged to be movable between a first position and a second position, wherein at least part of the lifting pallet assembly is located below the carrier when the lifting pallet assembly is in the first position; at least part of the lifting pallet assembly is located above the first conveying device and the second conveying device when the lifting pallet assembly is in the second position, and the first conveying device and the second conveying device are allowed to transport the carrier; the lifting driving device is used for driving the lifting pallet assembly to move between the first position and the second position.

Description

Technical Field

[0001] This disclosure relates to an assembly line structure, belonging to the field of automation equipment technology. Background Technology

[0002] With technological advancements, more and more factories are adopting automated production lines to manufacture products. This is especially true in fields such as 3C product manufacturing, where automated equipment has become widespread.

[0003] Carriers are the foundation for automated production lines to achieve continuous and efficient production processes. They can transfer products or parts from one workstation to another, ensuring that products or parts move along a predetermined path and rhythm during the production process, thereby improving production efficiency and accuracy.

[0004] For example, in the 3C mobile phone assembly industry, carriers need to be disassembled and assembled, and the disassembly and assembly process takes a certain amount of time, especially when workers disassemble and assemble the carriers manually, which consumes even more time. This affects the cycle time of automated production lines.

[0005] Furthermore, not all carriers moving along existing automated production lines need to be disassembled and reassembled. Specifically, some carriers need to be disassembled and reassembled, while others need to pass directly through the production line. When a carrier is disassembled and reassembled directly on the production line, it will affect the passage of subsequent carriers and reduce production efficiency. Utility Model Content

[0006] This disclosure provides a pipeline structure.

[0007] According to one aspect of this disclosure, a pipeline structure is provided, comprising:

[0008] Base plate;

[0009] A first support plate is disposed on the base plate;

[0010] A second support plate is disposed on the base plate, and the first support plate and the second support plate are disposed at a distance from each other;

[0011] A first conveying device is disposed on the first support plate;

[0012] A second conveying device is disposed on the second support plate, and both the first and second conveying devices are located in the area between the first and second support plates, so as to convey the carrier through the first and second conveying devices.

[0013] A lifting pallet assembly, configured to move between a first position and a second position, wherein, when the lifting pallet assembly is in the first position, at least a portion of the lifting pallet assembly is located below the carrier; and when the lifting pallet assembly is in the second position, at least a portion of the lifting pallet assembly is located above a first conveying device and a second conveying device, allowing the first and second conveying devices to transfer the carrier; and

[0014] A lifting drive device is used to drive the lifting pallet assembly to move between a first position and a second position.

[0015] The pipeline structure according to at least one embodiment of the present disclosure further includes:

[0016] A first crossbeam, slidably disposed on the first support plate; and

[0017] The second crossbeam is slidably disposed on the second support plate;

[0018] The lifting support plate assembly is disposed on the first crossbeam and the second crossbeam, and the lifting drive device is used to drive the first crossbeam to slide relative to the first support plate and to drive the second crossbeam to slide relative to the second support plate.

[0019] According to at least one embodiment of the assembly line structure of this disclosure, the lifting drive device includes:

[0020] A first cylinder, disposed on the first support plate, is used to drive the first crossbeam to slide relative to the first support plate; and

[0021] The second cylinder, which is disposed on the second support plate, is used to drive the second crossbeam to slide relative to the second support plate.

[0022] According to at least one embodiment of the assembly line structure of this disclosure, roller assemblies are provided at both ends of the first crossbeam and both ends of the second crossbeam, wherein the roller assembly includes a first roller and a second roller; when the lifting pallet assembly is in the first position, the second roller is substantially flush with the conveying surface of the first conveying device and / or the second conveying device; when the lifting pallet assembly is in the second position, the first roller is substantially flush with the conveying surface of the first conveying device and / or the second conveying device.

[0023] According to at least one embodiment of the production line structure of this disclosure, a first limiting structure is provided on the first support plate, and a second limiting structure is provided on the second support plate. The first limiting structure is used to limit the maximum upward movement of the first crossbeam, and the second limiting structure is used to limit the maximum upward movement of the second crossbeam.

[0024] According to at least one embodiment of the production line structure of this disclosure, the lifting pallet assembly includes:

[0025] A pallet assembly, wherein the pallet assembly is connected to a first crossbeam and a second crossbeam;

[0026] A contact plate is disposed on the tray component and located above the tray component;

[0027] A positioning pin, wherein the positioning pin is disposed on the tray component, and the upper end of the positioning pin passes through the contact plate and is located above the contact plate; and

[0028] A suction cup is disposed on the tray component, and the upper end of the suction cup passes through the contact plate and is located above the contact plate.

[0029] According to the assembly line structure of at least one embodiment of this disclosure, the lifting support plate assembly further includes:

[0030] An unlocking drive device is disposed on the tray component;

[0031] An unlocking plate is provided, and the unlocking driving device is used to drive the unlocking plate to slide relative to the tray component; wherein, the unlocking plate is provided with an unlocking pin, and when the unlocking plate slides relative to the tray component, the unlocking pin can approach or move away from the tray component in the horizontal direction.

[0032] The pipeline structure according to at least one embodiment of the present disclosure further includes:

[0033] A blocking device for blocking the vehicle being transported by the first conveying device and the second conveying device.

[0034] According to at least one embodiment of the assembly line structure of this disclosure, the first conveying device and the second conveying device are belt conveying devices, and the first conveying device and the second conveying device are driven by a conveying drive device.

[0035] According to at least one embodiment of the production line structure of this disclosure, the first support plate and the second support plate are arranged in parallel. Attached Figure Description

[0036] The accompanying drawings illustrate exemplary embodiments of the present disclosure and, together with the description thereof, serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0037] Figure 1 This is a schematic diagram of a production line structure according to one embodiment of the present disclosure.

[0038] Figure 2 and Figure 3 These are schematic diagrams of the assembly line structure from different angles according to one embodiment of the present disclosure.

[0039] Figure 4 This is a partial structural schematic diagram of an assembly line structure according to one embodiment of the present disclosure.

[0040] Figure 5 yes Figure 4 A structural diagram from another angle.

[0041] Figure 6 This is a structural schematic diagram of a lifting pallet assembly of a production line structure according to one embodiment of the present disclosure.

[0042] Figure 7 This is a structural schematic diagram of the lifting pallet assembly of the production line structure according to one embodiment of the present disclosure from another angle.

[0043] Figure 8 This is a partial structural schematic diagram of a lifting pallet assembly of a production line structure according to one embodiment of the present disclosure.

[0044] The specific labels in the attached figures are as follows:

[0045] 100 base plate

[0046] 200 First support plate

[0047] 210 First limiting structure

[0048] 300 Second support plate

[0049] 310 Second Limiting Structure

[0050] 400 First Conveying Device

[0051] 500 Second Conveying Device

[0052] 510 Conveyor Drive Unit

[0053] 600 Lifting Platform Assembly

[0054] 610 Pallet assembly

[0055] 620 contact plate

[0056] 630 positioning pin

[0057] 640 suction cup

[0058] 650 Unlock drive device

[0059] 660 Unlock Board

[0060] 670 Unlock Pin

[0061] 700 Lifting Drive Unit

[0062] 800 First crossbeam

[0063] 900 Second crossbeam

[0064] 950 First Roller

[0065] 960 Second Roller

[0066] 980 Blocking device. Detailed Implementation

[0067] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the disclosure. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present disclosure are shown in the accompanying drawings.

[0068] It should be noted that, where there is no conflict, the embodiments and features described in this disclosure can be combined with each other. The technical solutions of this disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0069] Unless otherwise stated, the exemplary implementations / embodiments shown are to be understood as providing exemplary features of various details that provide ways in which the technical concepts of this disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of various implementations / embodiments may be additionally combined, separated, interchanged and / or rearranged without departing from the technical concepts of this disclosure.

[0070] The use of crosshairs and / or shading in the accompanying drawings is generally used to clarify the boundaries between adjacent components. Thus, unless otherwise stated, the presence or absence of crosshairs or shading does not convey or indicate any preference or requirement for the specific material, material properties, dimensions, proportions, commonalities between the illustrated components, or any other characteristics, properties, etc., of the components. Furthermore, in the accompanying drawings, the dimensions and relative dimensions of components may be exaggerated for clarity and / or descriptive purposes. When exemplary embodiments can be implemented differently, a specific process sequence may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in the reverse order of their description. Furthermore, the same reference numerals denote the same components.

[0071] When a component is referred to as being "on" or "above" another component, "connected to," or "joined to" another component, the component may be directly on, directly connected to, or directly joined to the other component, or there may be intermediate components. However, when a component is referred to as being "directly on" another component, "directly connected to," or "directly joined to" another component, there are no intermediate components. Therefore, the term "connection" can refer to a physical connection, an electrical connection, etc., and may or may not have intermediate components.

[0072] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” another component or feature would subsequently be positioned “above” said other component or feature. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0073] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “the” are intended to include the plural forms as well. Furthermore, when the terms “comprising” and / or “including” and variations thereof are used in this specification, it indicates the presence of the stated features, integrals, steps, operations, parts, components, and / or groups thereof, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, parts, components, and / or groups thereof. It should also be noted that, as used herein, the terms “substantially,” “about,” and other similar terms are used as approximate terms rather than as terms of degree, thus explaining the inherent biases in measurements, calculated values, and / or provided values ​​that would be recognized by one of ordinary skill in the art.

[0074] Figure 1 This is a schematic diagram of a production line structure according to one embodiment of the present disclosure. Figure 2 and Figure 3 These are schematic diagrams of the assembly line structure from different angles according to one embodiment of the present disclosure.

[0075] like Figures 1 to 3 As shown, the production line structure disclosed herein may include components such as a base plate 100, a first support plate 200, a second support plate 300, a first conveying device 400, a second conveying device 500, a lifting pallet assembly 600, and a lifting drive device 700.

[0076] The base plate 100 of this disclosure can be formed as a single integral component or as two separate components. In other words, the production line structure of this disclosure may include two base plates, with one end of the first support plate 200 fixed to one base plate and the other end fixed to the other base plate. Similarly, one end of the second support plate 300 is fixed to one base plate and the other end is fixed to the other base plate.

[0077] The first support plate 200 and the second support plate 300 are arranged in parallel. Specifically, the base plate 100 of this disclosure can be arranged substantially horizontally; the first support plate 200 and the second support plate 300 can be arranged substantially vertically, and the first support plate 200 and the second support plate 300 are arranged at intervals.

[0078] Figure 4 This is a partial structural schematic diagram of an assembly line structure according to one embodiment of the present disclosure. Figure 5 yes Figure 4 A structural diagram from another angle.

[0079] like Figure 4 and Figure 5As shown, a first conveying device 400 is disposed on a first support plate 200; a second conveying device 500 is disposed on a second support plate 300, and both the first conveying device 400 and the second conveying device 500 are located in the area between the first support plate 200 and the second support plate 300, so as to convey a carrier through the first conveying device 400 and the second conveying device 500.

[0080] In one specific embodiment, the first conveying device 400 and the second conveying device 500 are belt conveyors, and the first conveying device 400 and the second conveying device 500 are driven by a conveying drive device 510. Specifically, the conveying drive device 510 of this disclosure can be a motor, which can synchronously drive the drive pulley of the first conveying device 400 and the synchronous pulley of the second conveying device 500 to rotate. As a result, the synchronous belts of the first conveying device 400 and the second conveying device 500 will move in the same direction, thereby conveying the carrier placed on the synchronous belt by the first conveying device 400 and the second conveying device 500.

[0081] Figure 6 This is a structural schematic diagram of a lifting pallet assembly of a production line structure according to one embodiment of the present disclosure. Figure 7 This is a structural schematic diagram of the lifting pallet assembly of the production line structure according to one embodiment of the present disclosure from another angle.

[0082] refer to Figures 1 to 3 as well as Figure 6 and Figure 7 The assembly line structure disclosed herein also includes a first crossbeam 800 and a second crossbeam 900; the first crossbeam 800 is slidably disposed on the first support plate 200; the second crossbeam 900 is slidably disposed on the second support plate 300; thus, both the first crossbeam 800 and the second crossbeam 900 can move vertically relative to the base plate 100.

[0083] Specifically, the first support plate 200 of this disclosure is provided with two vertically arranged guide rails, the slider is slidably arranged on the guide rails, and the first crossbeam 800 can be fixed on the slider, thereby the first crossbeam 800 can rise and fall in the vertical direction.

[0084] Similarly, the second support plate 300 of this disclosure is provided with two vertically arranged guide rails, the slider is slidably disposed on the guide rails, and the second crossbeam 900 can be fixed on the slider, thereby the second crossbeam 900 can be raised and lowered in the vertical direction.

[0085] The lifting drive device 700 disclosed herein is used to drive the lifting pallet assembly 600 to move between a first position and a second position. Specifically, the lifting drive device 700 includes a first cylinder and a second cylinder; the first cylinder is disposed on a first support plate 200 and is used to drive a first crossbeam 800 to slide relative to the first support plate 200; the second cylinder is disposed on a second support plate 300 and is used to drive a second crossbeam 900 to slide relative to the second support plate 300. That is to say, the assembly line structure of this disclosure uses the same first cylinder and second cylinder to drive the first crossbeam 800 and the second crossbeam 900 respectively.

[0086] The lifting support plate assembly 600 is disposed on the first crossbeam 800 and the second crossbeam 900. The lifting drive device 700 is used to drive the first crossbeam 800 to slide relative to the first support plate 200 and to drive the second crossbeam 900 to slide relative to the second support plate 300.

[0087] Thus, the lifting pallet assembly 600 of this disclosure can move between a first position and a second position, wherein the second position is higher than the first position; in other words, when the lifting pallet assembly 600 is in an upward movement, it can rise from the first position to (move to) the second position; when the lifting pallet assembly 600 is in a downward movement, it can fall from the second position to (move to) the first position.

[0088] In this disclosure, when the lifting pallet assembly 600 is in the first position, at least a portion of the lifting pallet assembly 600 is located below the carrier; at this time, the lifting pallet assembly 600 does not affect the conveying of the carrier by the first conveyor 400 and the second conveyor 500. When the carrier needs to be lifted and disassembled, the lifting pallet assembly 600 can be controlled to rise, and the carrier will be positioned and held by the lifting pallet assembly 600, and then rise along with the lifting pallet assembly 600. At this time, when the lifting pallet assembly 600 is in the second position, the first conveyor 400 and the second conveyor 500 are allowed to transfer the carrier; that is, when the lifting pallet assembly 600 is in the second position, it will not affect the normal flow of the carrier on the production line, and the carrier will pass through the assembly line structure from below the lifting pallet assembly 600.

[0089] After the carrier on the lifting pallet assembly 600 is disassembled, the lifting pallet assembly 600 descends and places the disassembled carrier onto the first conveyor 400 and the second conveyor 500, and the carrier will then circulate on the production line again.

[0090] like Figure 6 and Figure 7 As shown, roller assemblies are provided at both ends of the first crossbeam 800 and both ends of the second crossbeam 900 of this disclosure, that is, the roller assemblies of this disclosure are set to four.

[0091] The roller assembly includes a first roller 950 and a second roller 960; the first roller 950 and the second roller 960 are positioned at different heights. Specifically, when the lifting pallet assembly 600 is in the first position, the second roller 960 is substantially flush with the conveying surfaces of the first conveying device 400 and / or the second conveying device 500; when the lifting pallet assembly 600 is in the second position, the first roller 950 is substantially flush with the conveying surfaces of the first conveying device 400 and / or the second conveying device 500.

[0092] Therefore, by setting up this roller assembly, the assembly line structures can be easily connected together, and the vehicle can move between different assembly line structures via this roller assembly.

[0093] like Figures 1 to 3 As shown, the first support plate 200 of this disclosure is provided with a first limiting structure 210, and the second support plate 300 is provided with a second limiting structure 310. The first limiting structure 210 is used to limit the maximum upward movement of the first crossbeam 800, and the second limiting structure 310 is used to limit the maximum upward movement of the second crossbeam 900.

[0094] In one specific embodiment, there are two first limiting structures 210, which are located at both ends of the first support plate 200 in the length direction; similarly, there are two second limiting structures 310, which are located at both ends of the second support plate 300 in the length direction.

[0095] In addition to the functions described above, the first limiting structure 210 and the second limiting structure 310 of this disclosure can also be used for auxiliary positioning of the vehicle. That is, the first limiting structure 210 and the second limiting structure 310 can also apply positive pressure to the vehicle from above, so that the vehicle can be more stably positioned and held by the lifting pallet assembly.

[0096] like Figure 6 and Figure 7 As shown, the lifting pallet assembly 600 of this disclosure includes components such as a pallet component 610, a contact plate 620, a positioning pin 630, and a suction cup 640.

[0097] The pallet component 610 is connected to the first crossbeam 800 and the second crossbeam 900. Specifically, the width of the pallet component 610 is less than the distance between the first conveying device 400 and the second conveying device 500, thereby allowing the pallet component 610 to pass between the first conveying device 400 and the second conveying device 500. In a preferred embodiment, the pallet component 610 is generally square, with its four corners connected to the first crossbeam 800 or the second crossbeam 900 respectively by connectors. The distance between the two connectors near the first conveying device 400 is greater than the length of the first conveying device 400, and correspondingly, the distance between the two connectors near the second conveying device 500 is greater than the length of the second conveying device 500. Therefore, when the lifting pallet assembly 600 rises or falls, it will not interfere with the first conveying device 400 or the second conveying device 500.

[0098] A contact plate 620 is disposed on and above the pallet assembly 610; specifically, the contact plate 620 of this disclosure is substantially the same size as the pallet assembly 610. The contact plate 620 can be made of a resilient material, thereby preventing damage to the vehicle by the lifting pallet assembly 600 of this disclosure.

[0099] A positioning pin 630 is provided on the pallet component 610, and the upper end of the positioning pin 630 passes through the contact plate 620 and is located above the contact plate 620; thus, the positioning pin 630 can cooperate with the positioning hole on the vehicle to realize the positioning of the vehicle.

[0100] In one specific embodiment, the positioning pins 630 of this disclosure are provided as two, which are located at two opposite corners of the pallet component 610.

[0101] A suction cup 640 is disposed on the pallet component 610, and the upper end of the suction cup 640 passes through the contact plate 620 and is located above the contact plate 620; thereby, the vehicle can be adsorbed by the suction cup 640, so that the vehicle is firmly held by the lifting pallet assembly.

[0102] In one specific embodiment, the suction cups 640 of this disclosure are configured as four, which are arranged at the four corners of a square, so that the suction cups 640 can also support the carrier.

[0103] In a preferred embodiment, the lifting pallet assembly 600 can also be used to disassemble (unlock) a vehicle. Specifically, the lifting pallet assembly 600 of this disclosure may further include an unlocking drive device 650 and an unlocking plate 660. The unlocking drive device 650 is disposed on the pallet component 610. The unlocking drive device 650 is used to drive the unlocking plate 660 to slide relative to the pallet component 610. The unlocking plate 660 is provided with an unlocking pin 670. When the unlocking plate 660 slides relative to the pallet component 610, the unlocking pin 670 can approach or move away from the pallet component 610 in the horizontal direction. Thus, the unlocking pin 670 of the lifting pallet assembly 600 of this disclosure can cooperate with the vehicle to achieve the unlocking (disassembly) of the vehicle.

[0104] See again Figure 2 The assembly line structure disclosed herein also includes a blocking device 980, which is used to block the carriers conveyed by the first conveying device 400 and the second conveying device 500. Specifically, the blocking device 980 of this disclosure may include a blocking cylinder and a blocking plate disposed on the blocking cylinder, wherein the blocking cylinder can drive the blocking plate to move up and down, so that when the carrier needs to be disassembled or assembled, the blocking cylinder rises, the blocking plate blocks the carrier, and then the lifting drive device 700 can be controlled to operate, so that the lifting pallet assembly 600 lifts the carrier.

[0105] Next, the blocking cylinder descends, allowing other vehicles to pass through the assembly line structure without obstruction. Additionally, when a vehicle does not need to be disassembled, the blocking cylinder can remain in the descended state, allowing the vehicle to pass through the assembly line structure without stopping.

[0106] Existing automated equipment requires custom-designed workstations or even dedicated devices to disassemble and assemble carriers, which not only increases the complexity and cost of the production line but also leads to redundancy in the disassembly and assembly structures. Furthermore, traditional disassembly and assembly methods rely heavily on manual operation, resulting in high labor intensity, low efficiency, and difficulty in ensuring consistency and accuracy.

[0107] Compared to existing automated equipment, the assembly line structure disclosed herein allows for direct assembly and disassembly of the carrier on the assembly line, eliminating the need to transfer the carrier to other workstations or equipment, thus significantly improving assembly and disassembly efficiency. This assembly line structure employs a compact and efficient design, avoiding the problems of traditional assembly and disassembly clamps requiring separately customized workstations and redundant assembly and disassembly structures. It makes the entire production process smoother and more efficient, reducing production costs and operational risks.

[0108] In the description of this specification, the references to terms such as "one embodiment / mode," "some embodiments / modes," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment / mode or example is included in at least one embodiment / mode or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment / mode or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments / modes or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments / modes or examples described in this specification, as well as the features of different embodiments / modes or examples.

[0109] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0110] Those skilled in the art should understand that the above embodiments are merely for illustrating the present disclosure and are not intended to limit the scope of the disclosure. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present disclosure.

Claims

1. A production line structure, characterized in that, include: Base plate; A first support plate is disposed on the base plate; A second support plate is disposed on the base plate, and the first support plate and the second support plate are disposed at a distance from each other; A first conveying device is disposed on the first support plate; A second conveying device is disposed on the second support plate, and both the first and second conveying devices are located in the area between the first and second support plates, so as to convey the carrier through the first and second conveying devices. A lifting pallet assembly is configured to move between a first position and a second position, wherein when the lifting pallet assembly is in the first position, at least a portion of the lifting pallet assembly is located below the carrier; and when the lifting pallet assembly is in the second position, at least a portion of the lifting pallet assembly is located above a first conveying device and a second conveying device, allowing the first conveying device and the second conveying device to transfer the carrier. as well as A lifting drive device is used to drive the lifting pallet assembly to move between a first position and a second position.

2. The assembly line structure according to claim 1, characterized in that, Also includes: The first crossbeam is slidably disposed on the first support plate; as well as The second crossbeam is slidably disposed on the second support plate; The lifting support plate assembly is disposed on the first crossbeam and the second crossbeam, and the lifting drive device is used to drive the first crossbeam to slide relative to the first support plate and to drive the second crossbeam to slide relative to the second support plate.

3. The assembly line structure according to claim 2, characterized in that, The lifting drive device includes: A first cylinder, disposed on the first support plate, is used to drive the first crossbeam to slide relative to the first support plate; and The second cylinder, which is disposed on the second support plate, is used to drive the second crossbeam to slide relative to the second support plate.

4. The assembly line structure according to claim 2, characterized in that, Roller assemblies are provided at both ends of the first crossbeam and both ends of the second crossbeam, wherein the roller assembly includes a first roller and a second roller; when the lifting pallet assembly is in the first position, the second roller is approximately flush with the conveying surface of the first conveying device and / or the second conveying device; when the lifting pallet assembly is in the second position, the first roller is approximately flush with the conveying surface of the first conveying device and / or the second conveying device.

5. The assembly line structure according to claim 2, characterized in that, The first support plate is provided with a first limiting structure, and the second support plate is provided with a second limiting structure. The first limiting structure is used to limit the maximum upward movement of the first crossbeam, and the second limiting structure is used to limit the maximum upward movement of the second crossbeam.

6. The assembly line structure according to claim 2, characterized in that, The lifting support plate assembly includes: A pallet assembly, wherein the pallet assembly is connected to a first crossbeam and a second crossbeam; A contact plate is disposed on the tray component and located above the tray component; A positioning pin, wherein the positioning pin is disposed on the tray component, and the upper end of the positioning pin passes through the contact plate and is located above the contact plate; and A suction cup is disposed on the tray component, and the upper end of the suction cup passes through the contact plate and is located above the contact plate.

7. The assembly line structure according to claim 6, characterized in that, The lifting support plate assembly also includes: An unlocking drive device is disposed on the tray component; An unlocking plate is provided, and the unlocking driving device is used to drive the unlocking plate to slide relative to the tray component; wherein, the unlocking plate is provided with an unlocking pin, and when the unlocking plate slides relative to the tray component, the unlocking pin can approach or move away from the tray component in the horizontal direction.

8. The assembly line structure according to claim 1, characterized in that, Also includes: A blocking device for blocking the vehicle being transported by the first conveying device and the second conveying device.

9. The assembly line structure according to claim 1, characterized in that, The first conveying device and the second conveying device are belt conveying devices, and the first conveying device and the second conveying device are driven by a conveying drive device.

10. The assembly line structure according to claim 1, characterized in that, The first support plate and the second support plate are arranged in parallel.

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