Exchange telescopic frame

Abstract

The utility model relates to the technical field of machining, in particular to an exchange telescopic frame. Comprising a feeding and discharging main support and a feeding and discharging exchange support, the feeding and discharging exchange support is arranged in the feeding and discharging main support in a sliding and telescopic mode, main support roller beds are arranged on the two sides of the feeding and discharging main support in the workpiece conveying direction, and exchange support roller beds are arranged on the two sides of the feeding and discharging exchange support in the workpiece conveying direction. The exchange bracket roller way is in transmission connection with a driving assembly; the main support roller way is configured to synchronously move along with the exchange support roller way under the driving of the driving assembly so as to convey workpieces located on the main support roller way and the exchange support roller way. Automatic efficient circulation of workpieces among different machining stations can be achieved, manual intervention is reduced, operation safety is improved, production efficiency is improved, stability is good, reliability is high, and accurate conveying can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of mechanical processing technology, specifically to an exchange telescopic frame. Background Technology

[0002] Traditional workpiece transfer systems suffer from significant limitations, particularly in terms of automation and stability. Specifically, existing technologies cannot automate the transfer of workpieces between processing stations. This deficiency stems primarily from reliance on manual operation or simple mechanical assistance, methods that are not only inefficient but also susceptible to human error. For instance, during workpiece transfer between stations, the lack of precise automated control can lead to workpiece displacement, tipping, or even dropping due to unstable transport, increasing the risk of damage. Similarly, frequent loading and unloading further impacts production efficiency and product quality.

[0003] This lack of automation severely impacts production efficiency and the reliability of workpiece transfer, especially in modern high-efficiency production lines where the need for frequent workpiece exchanges exacerbates the problem. The inability to achieve efficient and smooth workpiece transfer between processing stations significantly restricts the smoothness and consistency of the entire production process. Each unstable workpiece transfer can lead to production line stoppages or delays, thus affecting the overall production rhythm. Furthermore, the need for additional manual intervention for each operation not only increases labor costs but also potentially introduces more human error, reducing production reliability and consistency.

[0004] Therefore, existing workpiece transfer technologies are inadequate to meet the demands of high-precision and high-efficiency production, and there is an urgent need for a device that can automate the flow of workpieces between various processing stations. Utility Model Content

[0005] In view of this, the present application provides an exchangeable telescopic frame that enables the motor base to move quickly between various workstations, and has good stability, high reliability, and can achieve precise transmission.

[0006] This application provides an exchange telescopic frame, including an infeed / outfeed main support and an infeed / outfeed exchange support. The infeed / outfeed exchange support is slidably telescopically disposed within the infeed / outfeed main support. The infeed / outfeed main support has main support roller tracks on both sides along the workpiece conveying direction, and the infeed / outfeed exchange support has exchange support roller tracks on both sides along the workpiece conveying direction. The exchange support roller tracks are drivenly connected to a drive assembly.

[0007] The main support roller roller way is configured to follow the synchronous movement of the driving assembly to transport the workpiece located on the main support roller roller way and the exchange support roller roller way.

[0008] The in-out material exchange support is configured to extend from the in-out material main support to realize the transfer of the workpiece from the exchange telescopic support to the target work station; and retract into the in-out material main support to realize the transfer of the workpiece from the target work station to the exchange telescopic support.

[0009] The embodiments of the present application realize the stable transmission of the workpiece to the machining work station or the retrieval of the workpiece from the machining work station to the support by slidingly telescoping the in-out material exchange support in the in-out material main support and using the synchronous roller roller way. In cooperation with the RGV trolley and the track, the efficient switching of the workpiece between different machining work stations can be realized, the manual intervention is reduced, and the safety and reliability of the operation are improved.

[0010] In one embodiment, the main support roller roller way includes a main support roller, a main support sprocket located on the outer side of the main support roller, and a main support chain for transmission connection between adjacent main support sprockets, the main support roller is coaxially connected with the main support sprocket, and the main support rollers on both sides are coaxially connected through a main support long shaft roller.

[0011] The embodiments of the present application realize the stable operation of the main support roller roller way, improve the transmission efficiency, and reduce the wear and maintenance requirements by coaxially connecting the main support roller with the main support sprocket and coaxially connecting the main support rollers on both sides through the main support long shaft roller.

[0012] In one embodiment, the exchange support roller roller way includes an exchange support roller, an exchange support sprocket located on the inner side of the exchange support roller, and an exchange support chain for transmission connection between adjacent exchange support sprockets, the exchange support roller is coaxially connected with the exchange support sprocket, and the exchange support rollers on both sides are coaxially connected through an exchange support long shaft roller.

[0013] The embodiments of the present application realize the close cooperation of the exchange support roller roller way and the driving assembly, realize efficient power transmission, and enable the workpiece to be smoothly and accurately transported to the target position by coaxially connecting the exchange support roller with the exchange support sprocket and coaxially connecting the exchange support rollers on both sides through the exchange support long shaft roller. At the same time, the design of the sprocket and the chain also increases the durability and stability of the system.

[0014] In one embodiment, the driving assembly includes a driving motor, an axle extension sprocket coaxially fixed with the motor shaft of the driving motor, and a chain, wherein the axle extension sprocket is in transmission connection with the exchange support sprocket through the chain.

[0015] The embodiments of the present application provide efficient driving force transmission and ensure accurate control of the exchange support roller bed. The use of the driving motor not only improves the response speed of the system, but also enhances the automation level of the system, reduces the need for manual operation, and further improves the production efficiency and reliability.

[0016] In one embodiment, the in-out material exchange support is provided with a linear guide rail in the telescopic direction, the in-out material main support is provided below the in-out material exchange support with an exchange support driving hydraulic cylinder for driving the in-out material main support to extend or retract in the in-out material main support, and a guide rail slider in sliding cooperation with the linear guide rail under the driving of the exchange support driving hydraulic cylinder.

[0017] The embodiments of the present application provide the in-out material exchange support with a linear guide rail in the telescopic direction, the in-out material main support is provided below the in-out material exchange support with an exchange support driving hydraulic cylinder for driving the in-out material exchange support to extend or retract, and a guide rail slider in sliding cooperation with the linear guide rail under the driving of the hydraulic cylinder. This ensures accurate positioning and stable movement of the in-out material exchange support, reduces friction and wear, and prolongs the service life of the equipment. The use of the hydraulic cylinder provides strong driving force, ensuring fast response and high-precision operation of the exchange support during extension and retraction.

[0018] In one embodiment, the in-out material exchange support is provided with a front-end oil pressure buffer at the front end of the in-out material exchange support.

[0019] The front-end oil pressure buffer of the embodiments of the present application can play a buffering role when the in-out material exchange support is extended, effectively reducing the impact force and protecting the equipment and workpieces from damage.

[0020] In one embodiment, the in-out material main support is provided with a rear-end oil pressure buffer at the corresponding position of the rear end of the in-out material exchange support.

[0021] The rear-end oil pressure buffer of the embodiments of the present application plays a buffering role when the in-out material exchange support is retracted, preventing strong impact due to sudden stop and protecting the integrity of the equipment structure.

[0022] In one embodiment, the in-out material exchange support is provided with a workpiece pushing hydraulic cylinder between the exchange support roller beds, and the piston end of the workpiece pushing hydraulic cylinder is provided with a workpiece locking assembly.

[0023] The workpiece pushing hydraulic cylinder of the workpiece pushing device can accurately push the workpiece to the machining station, and the workpiece locking assembly ensures the stability of the workpiece during the whole transmission process.

[0024] In one embodiment, the workpiece locking assembly comprises a planar rotary air cylinder and a locking block connected with the planar rotary air cylinder.

[0025] The locking block is configured to rotate to a first angle under the driving of the planar rotary air cylinder to lock the workpiece, or rotate to a second angle under the driving of the planar rotary air cylinder to release the workpiece.

[0026] The embodiment of the present application realizes the rapid locking and unlocking of the workpiece, simplifies the operation process, reduces the manual intervention, and improves the work efficiency.

[0027] In one embodiment, the inner baffle with a top surface higher than the surface of the exchange support roller bed is arranged on the inside of the exchange support roller bed of the in-out material exchange support, and the outer baffle with a top surface higher than the surface of the main support roller bed is arranged on the outside of the main support roller bed of the in-out material main support, and the workpiece is limited between the inner baffle and the outer baffle.

[0028] In the embodiment of the present application, the workpiece is limited between the inner baffle and the outer baffle, which effectively prevents the workpiece from sliding or falling horizontally during the transmission process, and provides guidance for the workpiece transmission, so as to ensure that the workpiece can be accurately delivered to the station.

[0029] The exchange telescopic support provided by the embodiment of the present application comprises an in-out material main support and an in-out material exchange support. The in-out material exchange support is slidably arranged in the in-out material main support, and the roller bed is used in synchronous motion, so that the workpiece can be stably delivered to the machining station or taken back from the machining station to the support during the transmission of the workpiece. In cooperation with the RGV trolley and the track, the automatic and efficient circulation of the workpiece between different machining stations can be realized, the manual intervention is reduced, the safety of operation is improved, the production efficiency is improved, and the stability and reliability are high, so that the precise transmission can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating any creative labor.

[0031] Figure 1 is a structural schematic view of the exchange telescopic support provided by an embodiment of the present application;

[0032] Figure 2 is a structural schematic view of an in-out material main support provided by an embodiment of the present application;

[0033] Figure 3 is a structural schematic view of an in-out material exchange support provided by an embodiment of the present application;

[0034] Figure 4 is a partial schematic view of Figure 3 ;

[0035] Figure 5 is a side view of Figure 3 ;

[0036] In the figure: 71-in-out material main support, 711-main support roller track, 7111-main support roller, 7112-main support sprocket, 712-exchange support driving hydraulic cylinder, 713-guide rail slider, 714-main support long shaft roller, 715-main support fixed plate, 716-outer baffle, 717-rear end oil buffer;

[0037] 72-in-out material exchange support, 721-exchange support roller track, 7211-exchange support roller, 7212-exchange support sprocket, 722-driving assembly, 7221-driving motor, 7222-shaft extension sprocket, 723-exchange support long shaft roller, 7223-chain, 724-inner baffle, 725-linear guide rail, 726-workpiece pushing hydraulic cylinder, 727-plane rotary air cylinder, 728-locking block, 729-front end oil buffer, 730-exchange support fixed plate, 731-hydraulic cylinder interface. DETAILED DESCRIPTION

[0038] In the following description, for the purpose of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0039] It should also be understood that the term "and / or" as used herein refers to any one or more of the associated listed items, and all possible combinations of the items, and includes these combinations.

[0040] In addition, in the description of the present application and the appended claims, the terms "first", "second", "third", etc. are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.

[0041] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0042] like Figure 1 As shown in the embodiment of this application, an exchange telescopic frame is provided, including an infeed / outfeed main support 71 and an infeed / outfeed exchange support 72. The infeed / outfeed exchange support 72 is slidably telescopically disposed in the infeed / outfeed main support 71. The infeed / outfeed main support 71 has main support roller tracks 711 on both sides along the workpiece conveying direction. The infeed / outfeed exchange support 72 has exchange support roller tracks 721 on both sides along the workpiece conveying direction. The exchange support roller tracks 721 are driven by a drive assembly 722.

[0043] The main support roller conveyor 711 is configured to move synchronously with the exchange support roller conveyor 721 under the drive of the drive assembly 722, so as to transfer the workpieces located on the main support roller conveyor 711 and the exchange support roller conveyor 721.

[0044] The infeed / outfeed exchange bracket 72 is configured to extend out of the infeed / outfeed main bracket 71 to realize the transfer of workpieces from the exchange telescopic frame to the target station; and to retract into the infeed / outfeed main bracket 71 to realize the transfer of workpieces from the target station to the exchange telescopic frame.

[0045] In application, both the main feed / discharge support 71 and the feed / discharge exchange support 72 are made of high-strength steel and precision-machined to ensure that the surface flatness and roughness meet the requirements. The power output of the drive assembly 722 is transmitted to the exchange support roller conveyor 721 through a chain drive system, which in turn drives the main support roller conveyor 711 to move synchronously. This synchronization mechanism is precisely controlled by the control system to ensure that the workpiece remains stable throughout the transfer process. The extension and retraction of the feed / discharge exchange support 72 is driven by a hydraulic cylinder, achieving precise positioning and stable movement through linear guides and guide sliders.

[0046] In application, the bottom of the main feed / discharge support 71 is provided with a main support fixing plate 715 for connecting the RGV trolley. The bottom of the feed / discharge exchange support 72 is provided with an exchange support fixing plate 730 for connecting the RGV trolley.

[0047] In one embodiment, such as Figure 2As shown, the main support roller roller 711 includes main support roller 7111, main support sprocket 7112 located outside the main support roller 7111, and main support chain for driving connection between adjacent main support sprocket 7112, main support roller 7111 and main support sprocket 7112 coaxial connection, the main support roller 7111 between the two sides through the main support long shaft roller 714 coaxial connection.

[0048] In application, the main support roller 7111 is made of wear-resistant material, the outer diameter and width are optimized according to the actual workpiece size to ensure sufficient carrying capacity and running stability. The main support sprocket 7112 is installed outside the roller and forms a closed transmission system with the main support chain. The rollers of each group of roller are installed equidistantly and equilaterally between the support baffles, and are provided with double-row sprocket. The adjacent sprocket transmits kinetic energy through the chain, and the two groups of rollers are connected through the long shaft roller. The chain is made of high-strength alloy steel, which has good tensile strength and corrosion resistance. The main support long shaft roller 714 coaxially connects the two main support rollers 7111 on both sides to ensure synchronous rotation of the two rollers, avoiding the deviation or jam caused by uneven force on one side. The installation surface of the whole main support roller roller 711 is finely polished to ensure the smoothness and fit when contacting with the workpiece, reducing wear and friction loss.

[0049] In application, the main support sprocket 7112 adopts double-row sprocket structure, so that each two adjacent main support sprocket 7112 is drivingly connected by one main support chain, for example, the first main support sprocket and the second main support sprocket are drivingly connected by one main support chain, and the second main support sprocket and the third main support sprocket are drivingly connected by another main support chain.

[0050] In one embodiment, as shown in Figure 3 The exchange support roller roller 721 includes exchange support roller 7211, exchange support sprocket 7212 located inside the exchange support roller 7211, and exchange support chain for driving connection between adjacent exchange support sprocket 7212, exchange support roller 7211 and exchange support sprocket 7212 coaxial connection, the exchange support roller 7211 between the two sides through the exchange support long shaft roller 723 coaxial connection.

[0051] In application, the exchange support sprocket 7212 also adopts double-row sprocket structure, so that each two adjacent exchange support sprocket 7212 is drivingly connected by one exchange support chain, for example, the first exchange support sprocket and the second exchange support sprocket are drivingly connected by one exchange support chain, and the second exchange support sprocket and the third exchange support sprocket are drivingly connected by another exchange support chain.

[0052] In one embodiment, as shown in Figure 4 and5 As shown, the drive assembly 722 includes a drive motor 7221, an axle extension sprocket 7222 coaxially fixed with the motor shaft of the drive motor 7221, and a chain 7223 drivingly connected with the exchange support sprocket 7212 through the chain 7223.

[0053] In application, the drive motor 7221 is selected as a high-efficiency energy-saving servo motor, which has the characteristics of fast response speed and high positioning accuracy, and is suitable for occasions of frequent start-stop and high-speed operation. The axle extension sprocket 7222 is installed on the motor shaft, and the sprocket is connected with the motor shaft through a key groove to ensure synchronous rotation of the two. The chain 7223 is made of high-strength alloy steel material, which has good tensile strength and corrosion resistance to ensure reliability and durability under long-term use. The drive assembly 722 is drivingly connected with the exchange support sprocket 7212 through the chain 7223 to realize efficient driving force transmission and ensure accurate control of the exchange support roller bed 721. A protective cover is also provided at the connection between the motor and the sprocket to prevent foreign matter from entering and affecting the transmission efficiency.

[0054] In one embodiment, the in-out exchange support 72 is provided with a linear guide rail 725 in the extension direction at the bottom, and the in-out main support 71 is provided below the in-out exchange support 72 with an exchange support driving hydraulic cylinder 712 for driving the in-out main support 71 to extend or retract, and a guide rail sliding block 713 slidingly matched with the linear guide rail 725 under the driving of the exchange support driving hydraulic cylinder 712.

[0055] In application, the linear guide rail 725 adopts a high-precision ball guide rail, which has high rigidity and low friction to ensure the stability and accuracy of the in-out exchange support 72 during extension and retraction. The guide rail sliding block 713 is installed at the bottom of the in-out main support 71 and tightly matches with the linear guide rail 725 to ensure gapless movement during sliding. The exchange support driving hydraulic cylinder 712 is selected as a high-performance hydraulic cylinder, which has the characteristics of large thrust and fast response, and can complete the extension and retraction of the in-out exchange support 72 in a short time. The piston rod of the hydraulic cylinder is fixedly connected with the guide rail sliding block 713 to ensure effective transmission of driving force. In addition, the hydraulic system can also be equipped with a pressure sensor and a limit switch for use together to ensure the safety and reliability of the system.

[0056] In one embodiment, the in-out exchange support 72 is provided with a front-end oil pressure buffer 729 at the front end of the in-out exchange support 72.

[0057] In application, the front-end oil pressure buffer 729 is installed at the front end of the in-out material exchange support 72, adopts a double-acting oil pressure buffer design, has an adjustable damping coefficient, and can be adjusted according to different workpiece weights and speeds. The buffer is filled with high-quality hydraulic oil to ensure stable buffering effect. The shell of the buffer is made of high-strength aluminum alloy material, which not only reduces the weight but also enhances the structural strength. The front-end oil pressure buffer 729 plays a buffering role when the in-out material exchange support 72 is extended, effectively reducing the impact force and protecting the equipment and workpieces from damage. Especially in the case of high-speed operation or emergency stop, it can significantly reduce the possibility of accidents and ensure long-term reliable operation of the system.

[0058] In one embodiment, the in-out material main support 71 is provided with a rear-end oil pressure buffer 717 at the corresponding position of the rear end of the in-out material exchange support 72.

[0059] In application, the rear-end oil pressure buffer 717 is installed at the corresponding position of the rear end of the in-out material main support 71 and the in-out material exchange support 72. The rear-end oil pressure buffer 717 plays a buffering role when the in-out material exchange support 72 is retracted, preventing strong impact due to sudden stop and protecting the integrity of the equipment structure. Especially in the case of frequent operation, it can significantly prolong the service life of the equipment and ensure long-term reliable operation of the system.

[0060] In one embodiment, the in-out material exchange support 72 is provided with a workpiece pushing hydraulic cylinder 726 between the exchange support roller tracks 721, and the piston end of the workpiece pushing hydraulic cylinder 726 is provided with a workpiece locking assembly.

[0061] In application, the workpiece pushing hydraulic cylinder 726 is installed inside the in-out material exchange support 72, and its piston rod is connected with the hydraulic cylinder interface 731 at the bottom of the in-out material exchange support 72. The position near the exchange support roller tracks 721 ensures the accuracy and force of workpiece pushing. The hydraulic cylinder is selected to have high performance, large thrust and fast response, and can complete the workpiece pushing action in a short time. The piston rod end of the hydraulic cylinder is provided with a workpiece locking assembly, which includes a plane rotary air cylinder 727 and a locking block 728. When the piston rod of the hydraulic cylinder is extended, the locking block 728 is rotated to a first angle under the drive of the plane rotary air cylinder 727 to lock the workpiece; when the piston rod of the hydraulic cylinder is retracted, the locking block 728 is rotated to a second angle to release the workpiece. This design not only improves the reliability of workpiece fixation, but also simplifies the operation process, reduces manual intervention, and improves work efficiency.

[0062] In one embodiment, the workpiece locking assembly includes a plane rotary air cylinder 727 and a locking block 728 connected with the plane rotary air cylinder 727.

[0063] The locking block 728 is configured to rotate to a first angle under the drive of the plane rotary cylinder 727 to lock the workpiece, or rotate to a second angle under the drive of the plane rotary cylinder 727 to release the workpiece.

[0064] In one embodiment, the inner baffle plate 724 is provided on the inside of the exchange support roller bed 721, and the top surface of the inner baffle plate 724 is higher than the surface of the exchange support roller bed 721. The outer baffle plate 716 is provided on the outside of the main support roller bed 711, and the top surface of the outer baffle plate 716 is higher than the surface of the main support roller bed 711. The workpiece is limited between the inner baffle plate 724 and the outer baffle plate 716.

[0065] In application, the inner baffle plate 724 and the outer baffle plate 716 are respectively installed at the corresponding positions of the exchange support 72 and the main support 71, and are made of high-strength steel material and are subjected to rust-proof treatment on the surface, thereby ensuring the durability in long-term use. The height of the inner baffle plate 724 is slightly higher than the surface of the exchange support roller bed 721, and the height of the outer baffle plate 716 is slightly higher than the surface of the main support roller bed 711, thereby forming a closed space and effectively preventing the workpiece from sliding or falling in the horizontal direction during the transmission. The top edge of the baffle plate is subjected to round corner treatment, thereby avoiding scratching the surface of the workpiece. The limiting space formed by the inner baffle plate 724 and the outer baffle plate 716 ensures the stable transmission and guidance of the workpiece.

[0066] The working principle of the device is as follows:

[0067] When the workpiece is conveyed to the set position on the exchange telescopic frame of the RGV trolley by the workpiece flow exchange workbench, the planar rotary cylinder 727 is actuated to make the front end locking block 728 enter the feeding and taking handle of the workpiece flow exchange workbench, so as to ensure that the workpiece is firmly fixed. Subsequently, after the RGV trolley carrying the workpiece reaches the feeding point of a process on the machining line, the exchange support drive hydraulic cylinder 712 and the drive motor 7221 are cooperatively actuated to push the in-out material exchange support 72 and the workpiece flow exchange workbench out, and move the in-out material exchange support 72 to the rapid positioning clamping tool in the equipment machining area. After the in-out material exchange support 72 is pushed to the position, the workpiece pushing hydraulic cylinder 726 at the upper end of the in-out material exchange support 72 is actuated to push the workpiece flow exchange workbench out for the second time, so that the workpiece enters the rapid positioning clamping tool in the equipment machining area, and the precise positioning is completed. Then, the planar rotary cylinder 727 is rotated again to release the feeding and taking handle of the workpiece flow exchange workbench by the locking block 728, so as to allow the exchange telescopic frame to reset and prepare to receive the next workpiece. The above mechanism is inverted when taking the material: when the workpiece that has completed the machining needs to be taken out from the machining area, the planar rotary cylinder 727 is first actuated to make the locking block 728 re-enter the feeding and taking handle of the workpiece flow exchange workbench, the exchange support drive hydraulic cylinder 712 and the drive motor 7221 are cooperatively actuated to pull the workpiece flow exchange workbench and the in-out material exchange support 72 back to the exchange telescopic frame, and finally the planar rotary cylinder 727 is rotated again to release the feeding and taking handle, so as to complete a complete workpiece transmission cycle.

[0068] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A swivel boom characterized in that, The in-out material main support (71) and the in-out material exchange support (72) are provided, the in-out material exchange support (72) is slidingly arranged in the in-out material main support (71), the in-out material main support (71) is provided with a main support roller way (711) on both sides along the workpiece transmission direction, the in-out material exchange support (72) is provided with an exchange support roller way (721) on both sides along the workpiece transmission direction, and the exchange support roller way (721) is drivenly connected with a driving assembly (722). The main support roller way (711) is configured to follow the exchange support roller way (721) to move synchronously under the driving of the driving assembly (722), so as to transmit the workpiece located on the main support roller way (711) and the exchange support roller way (721). The in-out material exchange support (72) is configured to extend out of the in-out material main support (71) to realize the transfer of the workpiece from the exchange telescopic support to the target station, and is configured to retract into the in-out material main support (71) to realize the transfer of the workpiece from the target station to the exchange telescopic support.

2. The swing-away boom described in claim 1 wherein, The main support roller way (711) comprises a main support roller (7111), a main support sprocket (7112) located outside the main support roller (7111), and a main support chain for drivingly connecting adjacent main support sprockets (7112), the main support roller (7111) is coaxially connected with the main support sprocket (7112), and the main support rollers (7111) on both sides are coaxially connected through a main support long shaft roller (714).

3. The swing-away boom described in claim 1 wherein, The exchange support roller way (721) comprises an exchange support roller (7211), an exchange support sprocket (7212) located inside the exchange support roller (7211), and an exchange support chain for drivingly connecting adjacent exchange support sprockets (7212), the exchange support roller (7211) is coaxially connected with the exchange support sprocket (7212), and the exchange support rollers (7211) on both sides are coaxially connected through an exchange support long shaft roller (723).

4. The swing-away lift of claim 3 wherein: The driving assembly (722) comprises a driving motor (7221), a shaft extension sprocket (7222) and a chain (7223), the shaft extension sprocket (7222) is coaxially fixedly connected with a motor shaft of the driving motor (7221), and the shaft extension sprocket (7222) is drivingly connected with the exchange support sprocket (7212) through the chain (7223).

5. The swing-away boom described in claim 1 wherein, The in-out material exchange support (72) is provided with a linear guide rail (725) along the telescopic direction, the in-out material main support (71) is provided below the in-out material exchange support (72) with an exchange support driving hydraulic cylinder (712) for driving the in-out material main support (71) to extend or retract into the in-out material main support (71), and a guide rail slider (713) slidingly matched with the linear guide rail (725) under the driving of the exchange support driving hydraulic cylinder (712).

6. The swing-away boom described in claim 1 wherein, The front end of the in-out material exchange support (72) is provided with a front end oil buffer (729).

7. The swing-away lift of claim 1 wherein: The rear end of the in-out material main support (71) and the in-out material exchange support (72) are provided with a rear end oil buffer (717).

8. The swing-away boom described in claim 1 wherein, The in-out material exchange support (72) is provided with a workpiece pushing hydraulic cylinder (726) between the exchange support roller beds (721), and the piston end of the workpiece pushing hydraulic cylinder (726) is provided with a workpiece locking assembly.

9. The swing-away boom described in claim 8 wherein, The workpiece locking assembly comprises a planar rotary air cylinder (727) and a locking block (728) connected with the planar rotary air cylinder (727). The locking block (728) is configured to rotate to a first angle under the drive of the planar rotary air cylinder (727) to lock the workpiece, or rotate to a second angle under the drive of the planar rotary air cylinder (727) to release the workpiece.

10. The swing-away boom described in claim 1 wherein, The in-out material exchange support (72) is provided with an inner baffle (724) with a top surface higher than the surface of the exchange support roller bed (721) on the inner side of the exchange support roller bed (721), and the in-out material main support (71) is provided with an outer baffle (716) with a top surface higher than the surface of the main support roller bed (711) on the outer side of the main support roller bed (711), and the workpiece is limited between the inner baffle (724) and the outer baffle (716).

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