Automatic loading and unloading device and method of using the same

Abstract

The application relates to the technical field of electroplating equipment, in particular to an automatic feeding and discharging device and a using method thereof. In the automatic feeding and discharging device, a frame body, an adjustable hanger, a first adjusting mechanism, a second adjusting mechanism, an opening and closing mechanism and a loading and unloading mechanism are arranged; the adjustable hanger can move between a first position, a second position and a third position arranged along the length direction of the frame body in sequence; the adjustable hanger comprises a clamp assembly for clamping a workpiece; the first adjusting mechanism is arranged at the first position of the frame body and is used for adjusting the length of the adjustable hanger; the second adjusting mechanism is arranged at the second position of the frame body and is used for adjusting the width of the adjustable hanger; the opening and closing mechanism is arranged at the third position of the frame body in an extendable mode and is used for controlling the opening or closing of the clamp assembly; the loading and unloading mechanism is arranged at the side opposite to the third position and is used for completing the loading and unloading of the workpiece on the adjustable hanger. The adjustable hanger of the automatic feeding and discharging device can be adjusted in size, is suitable for fixing various workpieces and improves the material changing efficiency.

Description

Technical Field

[0001] This invention relates to the field of electroplating equipment technology, and in particular to an automatic loading and unloading device and its usage method. Background Technology

[0002] Electroplating is a process that uses the principle of electrolysis to deposit a thin layer of another metal or alloy onto the surface of certain metals. The workpiece to be processed is very thin, about the thickness of a piece of paper. During the electroplating process, the workpiece needs to be suspended on a rack, and the electroplating is completed with the assistance of the rack. In automated production systems, workpieces that are too light, too soft, or too thin pose significant challenges to both the loading and unloading processes.

[0003] In the current field of electroplating equipment, the degree of automation is generally low. In order to continuously complete electroplating, unloading, and unloading of the fixture and automatically transfer it to the next station in order to save labor and improve production efficiency, special tools are needed to assist in the completion. However, the existing special tools are not versatile enough, cannot be applied to workpieces of various sizes, and cannot assist the fixture in adjusting the dimensions in the height and width directions. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic loading and unloading device. The adjustable fixture of the automatic loading and unloading device can be adjusted in size, and is suitable for fixing and loading and unloading workpieces of various sizes, thereby improving the material changing efficiency of the device.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] Automatic loading and unloading device, including:

[0007] The frame has a first position, a second position, and a third position arranged sequentially along its length.

[0008] An adjustable hanger is movably mounted on the frame and can move between the first position, the second position, and the third position. The adjustable hanger includes a clamping assembly for clamping the workpiece.

[0009] A first adjustment mechanism, located at the first position, is used to adjust the length of the adjustable hanger;

[0010] The second adjustment mechanism, located at the second position, is used to adjust the width of the adjustable hanger;

[0011] An opening mechanism, located at the third position, is used to control the opening or closing of the clamp assembly;

[0012] The loading and unloading mechanism is located on the side directly opposite the third position and is used to load and unload the workpiece on the adjustable hanger.

[0013] As an optional solution for the automatic loading and unloading device, the adjustable fixture further includes a first connecting component and a first locking component. The first connecting component includes a connecting rod and a connecting sleeve. The connecting rod is adjustablely disposed within the connecting sleeve. The first locking component is disposed on the connecting sleeve and can abut against the connecting rod to lock the connecting rod.

[0014] As an optional solution for the automatic loading and unloading device, the first adjustment mechanism includes a pressing component and an adjusting component. The pressing component is disposed opposite to the first locking component. The pressing component can press the first locking component to unlock the first connecting component. The adjusting component is movably disposed below the adjustable hanger. The raising and lowering of the adjusting component can drive the connecting rod to rise and fall to adjust the length of the first connecting component.

[0015] As an optional solution for the automatic loading and unloading device, the pressing component includes a first base and a first adjusting rod. The first base is provided with a first sliding cavity, and the first adjusting rod is slidably connected in the first sliding cavity. The first adjusting rod moves in a direction close to the first locking component so that the first adjusting rod presses the end of the first locking component away from the end of the first locking component that abuts against the connecting rod. The first adjusting rod moves in a direction away from the first locking component so that the first adjusting rod releases the pressure from the first locking component.

[0016] As an optional solution for the automatic loading and unloading device, the adjustment component includes a lifting platform located below the connecting rod, and the lifting platform can drive the connecting rod to rise and fall.

[0017] As an optional solution for the automatic loading and unloading device, the adjustment assembly further includes at least four second adjustment rods. The at least four second adjustment rods are evenly distributed around the circumference of the lifting platform. The at least four second adjustment rods pass through the lifting platform and are threadedly connected to the lifting platform. The rotation of the second adjustment rods can drive the lifting platform to rise and fall.

[0018] As an optional solution for the automatic loading and unloading device, the adjustable hanger further includes a second connecting component and a second locking component arranged opposite to each other. The second connecting component and the second locking component are located between two first connecting components. The second connecting component includes two hanger adjusting rods and a hanger connecting seat disposed between the two hanger adjusting rods. The positions of the two hanger adjusting rods within the hanger connecting seat are adjustable. The second locking component includes a self-locking rod and two self-locking rings. The two self-locking rings are both inserted through the self-locking rod. A fixing plate is provided on one side of each self-locking ring. One end of the fixing plate is connected to the self-locking ring, and the other end is connected to the first connecting component. Adjusting the position of the self-locking ring on the self-locking rod can adjust the distance between the two first connecting components to accommodate the length of the second connecting component. When the self-locking rod is in the self-locking position of the self-locking ring, the self-locking ring is locked to the self-locking rod. When the self-locking rod is in the unlocked position of the self-locking ring, the self-locking ring is unlocked to the self-locking rod, thereby adjusting the distance between the two self-locking rings.

[0019] As an optional solution for the automatic loading and unloading device, the second adjustment mechanism includes an unlocking component located below the second locking component. The unlocking component includes a push rod that can abut against the lower end face of the self-locking rod and push the self-locking rod upward to release the self-locking rod from the self-locking ring.

[0020] As an optional solution for the automatic loading and unloading device, the second adjustment mechanism further includes a self-locking component, which includes a pressure rod that can abut against the upper end face of the self-locking rod and push the self-locking rod downward to lock the self-locking rod with the self-locking ring.

[0021] As an optional solution for the automatic loading and unloading device, the self-locking component is located below the second locking component. The self-locking component also includes a mounting base, a first lead screw, and a motor. The first lead screw is rotatably connected to the mounting base, and the motor is connected to the first lead screw to drive the first lead screw to rotate.

[0022] The first lead screw includes a forward thread and a reverse thread. There are two pressure rods, one of which engages with the forward thread and the other with the reverse thread, so that the two pressure rods can move away from or towards each other.

[0023] As an optional solution for the automatic loading and unloading device, the second adjustment mechanism further includes a tensioning component, which is disposed opposite to the second connecting component and is used to adjust the length of the second connecting component. The tensioning component includes a connecting plate, a receiving frame, and a support plate. The connecting plate is movably disposed on the receiving frame, and the receiving frame is movably disposed on the support plate. The support plate is connected to the frame. The receiving frame can drive the connecting plate to move closer to the second connecting component so that the connecting plate abuts against the hanger adjustment rod. The connecting plate moves along the length direction of the frame to adjust the length of the second connecting component.

[0024] As an optional solution for the automatic loading and unloading device, the stretching assembly further includes a push-pull component, which is disposed on the support plate and connected to the end of the receiving frame away from the adjustable hanger. The push-pull component can drive the receiving frame to move towards or away from the second connecting assembly.

[0025] The push-pull component includes a connecting seat and a third adjusting rod. The connecting seat is located at the end of the support plate away from the second connecting assembly. The third adjusting rod is connected to the receiving frame. The connecting seat has a second sliding cavity. The third adjusting rod slides in the second sliding cavity to drive the receiving frame to move.

[0026] As an optional solution for the automatic loading and unloading device, the clamping mechanism includes a first clamping component and a second clamping component. The clamping component includes an upper clamp and a lower clamp. The clamping mechanism is movably disposed on the frame. The first clamping component is correspondingly disposed with the upper clamp and can move towards the upper clamp to press the upper clamp. The second clamping component is correspondingly disposed with the lower clamp and can move towards the lower clamp to press the lower clamp.

[0027] As an optional solution for the automatic loading and unloading device, the loading and unloading mechanism includes a suction cup and a robotic arm. The suction cup is connected to one end of the robotic arm and is used to adsorb the workpiece. The robotic arm can drive the suction cup to move between the workpiece placement position and the adjustable hanger to complete the loading and unloading of the workpiece on the adjustable hanger.

[0028] As an optional solution for the automatic loading and unloading device, a slide bar is provided along the length direction of the frame, and the adjustable hanger cooperates with the slide bar so that the adjustable hanger can move along the length direction of the slide bar.

[0029] As an optional solution for the automatic loading and unloading device, the automatic loading and unloading device further includes three fixing mechanisms. The three fixing mechanisms are respectively located at the first position, the second position and the third position of the frame, and the fixing mechanisms are arranged opposite to the fixing seat of the adjustable hanger. The fixing mechanisms can clamp the fixing seat and are used to fix the adjustable hanger.

[0030] As an optional solution for the automatic loading and unloading device, the fixing mechanism includes a rotating rod and two clamping plates. The rotating rod is rotatably mounted on the frame along the length of the frame. The two clamping plates are connected to the rotating rod at intervals. The distance between the two clamping plates is equal to the length of the fixing seat. The rotation of the rotating rod can drive the two clamping plates to rotate, so that the two clamping plates abut against the opposite two side walls of the fixing seat to fix the adjustable hanger.

[0031] Another objective of this invention is to provide a method of using an automatic loading and unloading device. This method is applied to the aforementioned automatic loading and unloading device and can be used for adjusting the size of adjustable fixtures. It is suitable for fixing and loading / unloading workpieces of various sizes, thereby improving the device's material changing efficiency.

[0032] To achieve this objective, the present invention adopts the following technical solution:

[0033] The method of using the automatic loading and unloading device, applied to the aforementioned automatic loading and unloading device, includes the following steps:

[0034] Determine whether the size of the workpiece matches the size of the adjustable fixture;

[0035] If the length of the adjustable hanger needs to be adjusted, the adjustable hanger is moved to the first position, and the length of the adjustable hanger is adjusted by the first adjustment mechanism;

[0036] And / or, if the width of the adjustable hanger needs to be adjusted, the adjustable hanger is moved to the second position, and the width of the adjustable hanger is adjusted by the second adjustment mechanism;

[0037] When the length and width of the adjustable hanger are adjusted to match the size of the workpiece, the adjustable hanger is moved to the third position, the clamping assembly is opened by the clamping mechanism, and the workpiece is installed on the adjustable hanger by the loading and unloading mechanism.

[0038] Beneficial effects:

[0039] The automatic loading and unloading device provided by this invention includes a frame and an adjustable hanger. The adjustable hanger is movably mounted on the frame, facilitating its transfer. This allows for sequential adjustment of length and width, as well as loading and unloading of workpieces, at a first, second, and third position along the length of the frame. The adjustable hanger includes a clamping assembly for holding the workpiece. The automatic loading and unloading device also includes a first adjustment mechanism, a second adjustment mechanism, a clamping mechanism, and a loading and unloading mechanism. The first adjustment mechanism is located at the first position of the frame and is used to adjust the length of the adjustable hanger. The second adjustment mechanism is located at the second position of the frame and is used to adjust the width of the adjustable hanger. The first and second adjustment mechanisms sequentially adjust the length and width of the adjustable hanger according to the size of the workpiece. The clamping mechanism is retractable and located at the third position of the frame and is used to control the opening or closing of the clamping assembly. The loading and unloading mechanism is located on the side directly opposite the third position and is used to load and unload workpieces onto the adjustable hanger, moving the workpiece from its placement position to the adjustable hanger, thereby achieving workpiece loading and unloading. The adjustable fixture can be adjusted in size by the first and second adjustment mechanisms to accommodate workpieces of various sizes. Furthermore, the clamping and loading / unloading mechanisms enable the fixing and loading / unloading of workpieces of various sizes, thereby improving the efficiency of the device for changing materials.

[0040] The present invention provides a method for using an automatic loading and unloading device. This method is applied to the aforementioned automatic loading and unloading device and can be used for adjusting the size of adjustable fixtures. It is suitable for fixing and loading / unloading workpieces of various sizes and improves the device's material changing efficiency. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the adjustable hanger provided by the present invention;

[0042] Figure 2 yes Figure 1 A magnified view of part A in the middle;

[0043] Figure 3 This is a front view of the automatic loading and unloading device provided by the present invention;

[0044] Figure 4 This is a side view of the automatic loading and unloading device provided by the present invention;

[0045] Figure 5 This is a top view of the automatic loading and unloading device provided by the present invention;

[0046] Figure 6 This is a schematic diagram of the structure of the automatic loading and unloading device provided by the present invention, showing the cooperation between the pressing component and the adjustable hanger;

[0047] Figure 7 This is a schematic diagram of the structure of the unlocking component, self-locking component and adjustable hanger of the automatic loading and unloading device provided by the present invention;

[0048] Figure 8 This is a schematic diagram of the structure of the tension component and the adjustable hanger of the automatic loading and unloading device provided by the present invention;

[0049] Figure 9 This is a schematic diagram of the structure of the automatic loading and unloading device provided by the present invention, showing the cooperation between the clamping mechanism and the adjustable hanger.

[0050] In the picture:

[0051] 1. Frame; 2. Adjustable hanger; 3. First adjustment mechanism; 4. Second adjustment mechanism; 5. Clamping mechanism; 6. Loading and unloading mechanism; 7. Fixing mechanism;

[0052] 11. Slide bar;

[0053] 21. First locking assembly; 211. Locking element; 2111. Abutting part; 212. Connecting element; 22. First connecting assembly; 221. Connecting rod; 222. Connecting sleeve; 23. Second locking assembly; 231. Self-locking rod; 232. Self-locking ring; 233. Fixing plate; 24. Second connecting assembly; 241. Hanger adjusting rod; 242. Hanger connecting seat; 243. Connecting hole; 25. Clamp assembly; 251. Upper clamp; 252. Lower clamp; 26. Fixing seat;

[0054] 31. Pressing assembly; 311. First seat; 312. First adjusting rod; 32. Adjusting assembly; 321. Lifting platform; 322. Second adjusting rod; 323. Drive motor; 324. Transmission gear; 325. Transmission belt;

[0055] 41. Unlocking component; 411. Push rod; 412. Second seat; 42. Tensioning component; 421. Connecting plate; 422. Receiving frame; 423. Support plate; 424. Push-pull component; 4241. Connecting seat; 4242. Third adjusting rod; 425. Second lead screw; 426. Rotary shaft motor; 43. Self-locking component; 431. Pressure rod; 432. Mounting seat; 433. First lead screw; 434. Motor; 435. Telescopic component;

[0056] 51. First clamping assembly; 52. Second clamping assembly;

[0057] 61. Suction cup; 62. Robotic arm;

[0058] 71. Rotating rod; 72. Clamping plate; 73. Cylinder. Detailed Implementation

[0059] The present invention 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 merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0060] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0061] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0062] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0063] See Figures 1 to 9This embodiment provides an automatic loading and unloading device, which includes a frame 1, an adjustable hanger 2, a first adjustment mechanism 3, a second adjustment mechanism 4, a clamping mechanism 5, and a loading and unloading mechanism 6. A first position, a second position, and a third position are sequentially arranged along the length of the frame 1. The adjustable hanger 2 is movably mounted on the frame 1 and can be moved sequentially to the first, second, and third positions as needed, so that the adjustable hanger 2 can sequentially adjust its length and width, as well as load and unload workpieces. The adjustable hanger 2 includes a clamping assembly 25 for clamping workpieces. The first adjustment mechanism 3 is located at the first position and is used to adjust the length of the adjustable hanger 2. The second adjustment mechanism 4 is located at the second position and is used to adjust the width of the adjustable hanger 2. The clamping mechanism 5 is retractable and located at the third position, used to control the opening and closing of the clamping assembly 25. The loading and unloading mechanism 6 is located on the side directly opposite the third position and is used to load and unload workpieces on the adjustable hanger 2. The automatic loading and unloading device has a first adjustment mechanism 3 and a second adjustment mechanism 4 that can adjust the size of the adjustable hanger 2 according to the size of the workpiece to accommodate workpieces of various sizes. Furthermore, through the setting of the clamping mechanism 5 and the loading and unloading mechanism 6, it can fix and unload workpieces of various sizes, thereby improving the efficiency of the device in changing materials.

[0064] See Figure 1 and Figure 2The adjustable hanger 2 also includes a first locking component 21, a first connecting component 22, a second locking component 23, and a second connecting component 24. The first connecting component 22 includes a connecting rod 221 and a connecting sleeve 222. The connecting sleeve 222 is fixedly connected to both ends of the second connecting component 24. The lower end of the connecting rod 221 is fixedly connected to both ends of the second locking component 23. The connecting rod 221 is adjustablely disposed within the connecting sleeve 222. The first locking component 21 is disposed on the connecting sleeve 222 and can abut against the connecting rod 221 to lock the connecting rod 221, thereby locking the adjusted length of the first connecting component 22. The second locking component 23 is disposed opposite to the second connecting component 24 and connected through the first connecting component 22. The second connecting component 24 includes two hanger adjusting rods 241 and a hanger connecting seat 242 disposed between the two hanger adjusting rods 241. The positions of the two hanger adjusting rods 241 within the hanger connecting seat 242 are adjustable. The second locking component 23 includes a self-locking rod 231 and two self-locking rings 232. Both self-locking rings 232 pass through the self-locking rod 231. When the self-locking rod 231 is in the self-locking position of the self-locking rings 232, the self-locking rings 232 are locked to the self-locking rod 231. When the self-locking rod 231 is in the unlocked position of the self-locking rings 232, the self-locking rings 232 are unlocked to adjust the distance between the two self-locking rings 232. A fixing plate 233 is provided on one side of the self-locking ring 232. One end of the fixing plate 233 is connected to the self-locking ring 232, and the other end is connected to the first connecting component 22. Adjusting the position of the self-locking ring 232 on the self-locking rod 231 adjusts the distance between the two first connecting components 22 to accommodate the adjusted length of the second connecting component 24. Then, the adjusted length is locked by adjusting the position of the self-locking rod 231 within the self-locking ring 232. Two first connecting components 22 and two first locking components 21 are provided. The two first connecting components 22 are arranged opposite each other, and each first connecting component 22 is provided with a corresponding first locking component 21 to lock the two first connecting components 22 respectively. The two first connecting components 22 are arranged vertically, and the second connecting component 24 and the second locking component 23 are arranged horizontally. The upper ends of the two first connecting components 22 are respectively connected to the two ends of the second connecting component 24, and the lower ends of the two first connecting components 22 are respectively connected to the two ends of the second locking component 23 to form a frame structure, which can be used to accommodate workpieces and ensure the stability of the adjustable hanger 2.The clamping assembly 25 includes at least three upper clamps 251 and at least four lower clamps 252. The at least three upper clamps 251 are respectively disposed horizontally on the connecting seat 4241 and two connecting sleeves 222 for clamping the upper end of the workpiece. The at least four lower clamps 252 are spaced apart on the fixing plate 233 for clamping the lower end of the workpiece to prevent bending or deformation of the workpiece due to shaking during the movement of the fixture, thereby further ensuring the quality of the workpiece. The two upper clamps 251 connected to the two connecting sleeves 222 can change the distance between the two upper clamps 251 as the fixture adjusting rod 241 moves to adapt to the width of the workpiece. The distance between the at least four lower clamps 252 can also change as the fixing plate 233 moves to adapt to the width of the workpiece and better fix the workpiece.

[0065] In the automatic loading and unloading device of this embodiment, the first locking component 21 includes a locking member 211 and a connecting member 212. The connecting member 212 is disposed on the connecting sleeve 222. The locking member 211 is rotatably connected to the connecting sleeve 222 through the connecting member 212. One end of the locking member 211 is provided with an abutting part 2111. The side of the connecting sleeve 222 connected to the connecting member 212 is provided with a clearance hole. The side of the connecting rod 221 near the second locking component 23 is provided with a toothed structure. The abutting part 2111 abuts against the toothed structure of the connecting rod 221 through the clearance hole to lock the connecting rod 221. Pressing the locking member 211 can disengage the abutting part 2111 from the connecting rod 221.

[0066] See Figures 3 to 6 In order to adjust the length of the adjustable hanger 2, the first adjustment mechanism 3 includes a pressing component 31 and an adjusting component 32. The pressing component 31 is disposed opposite to the first locking component 21. The pressing component 31 can press the first locking component 21 to unlock the first connecting component 22 so that the length of the first connecting component 22 can be adjusted. The adjusting component 32 is movably disposed below the adjustable hanger 2. The raising and lowering of the adjusting component 32 can drive the connecting rod 221 to rise and fall, thereby adjusting the length of the first connecting component 22.

[0067] Specifically, the pressing component 31 includes a first seat 311 and a first adjusting rod 312. The first seat 311 has a first sliding cavity, and the first adjusting rod 312 is slidably connected in the first sliding cavity so that the first adjusting rod 312 presses the locking member 211, causing the first locking component 21 to disengage from the connecting rod 221, thereby unlocking the first locking component 21 and making the length of the first connecting component 22 adjustable. The first adjusting rod 312 moves away from the first locking component 21 so that the first adjusting rod 312 is released from pressing the first locking component 21, thereby causing the first locking component 21 to abut against the connecting rod 221, thereby locking the first connecting component 22 with the adjusted length.

[0068] The adjustment component 32 includes a lifting platform 321, which is located below the connecting rod 221. The lifting of the lifting platform 321 can drive the lifting of the connecting rod 221, thereby adjusting the position of the connecting rod 221 in the connecting sleeve 222 to adjust the length of the first connecting component 22.

[0069] In the automatic loading and unloading device of this embodiment, the adjusting component 32 further includes at least four second adjusting rods 322. The at least four second adjusting rods 322 are evenly distributed around the lifting platform 321. The at least four second adjusting rods 322 are all inserted through the lifting platform 321 and threadedly connected to the lifting platform 321. When the second adjusting rods 322 rotate, they can drive the lifting platform 321 to rise and fall, thereby driving the connecting rod 221 to rise and fall, so as to adjust the length of the first connecting component 22. To drive at least four second adjusting rods 322 to rotate synchronously, the adjusting assembly 32 also includes a drive motor 323, a transmission belt 325, and at least four transmission gears 324. The at least four transmission gears 324 are fitted and fixed to the at least four second adjusting rods 322 in a one-to-one correspondence. The transmission belt 325 surrounds the outer periphery of the at least four transmission gears 324. The output shaft of the drive motor 323 is connected to any one of the transmission gears 324. The drive motor 323 drives the transmission gear 324 to rotate. The rotation of the transmission gear 324 drives the transmission belt 325 to rotate. The transmission belt 325 drives the rotation of the other at least three transmission gears 324, thereby driving all the second adjusting rods 322 to rotate, so that the lifting platform 321 can move smoothly along the height direction of the frame 1.

[0070] Of course, in other embodiments, the adjustment component 32 may also include a telescopic cylinder, one end of which is connected to the lifting platform 321. The telescopic cylinder extends and retracts, which can drive the lifting platform 321 to rise and fall, thereby driving the connecting rod 221 to rise and fall, thereby adjusting the position of the connecting rod 221 in the connecting sleeve 222 to adjust the length of the first connecting component 22.

[0071] See Figure 7 In the automatic loading and unloading device of this embodiment, in order to unlock the second locking component 23, the second adjustment mechanism 4 includes an unlocking component 41. The unlocking component 41 is located below the second locking component 23. The unlocking component 41 includes a push rod 411. The push rod 411 can abut against the lower end face of the self-locking rod 231 and push the self-locking rod 231 upward, so that the self-locking rod 231 and the self-locking ring 232 are unlocked, thereby allowing the length of the second connecting component 24 to be adjusted.

[0072] Specifically, the second locking component 23 includes a self-locking rod 231 and two self-locking rings 232. Both self-locking rings 232 pass through the self-locking rod 231. When the self-locking rod 231 is in the self-locking position of the self-locking ring 232, the self-locking ring 232 is locked to the self-locking rod 231. When the self-locking rod 231 is in the unlocking position of the self-locking ring 232, the self-locking ring 232 is unlocked from the self-locking rod 231, and the unlocking position is located above the self-locking position. The cross-section of the self-locking ring 232 is trapezoidal, and the self-locking ring 232 includes a square hole and a trapezoidal... The trapezoidal hole is located in the self-locking position, and the square hole is located in the unlocking position. The trapezoidal hole is located below the square hole. The square hole and the trapezoidal hole are connected, and the short side of the trapezoidal hole is located at the end away from the square hole. The self-locking rod 231 and the trapezoidal hole can be interference-fitted. When the self-locking rod 231 is located in the trapezoidal hole, the self-locking rod 231 and the self-locking ring 232 are locked. There is a gap between the square hole and the self-locking rod 231. When the self-locking rod 231 is located in the square hole, the self-locking ring 232 and the self-locking rod 231 are unlocked. The unlocking component 41 includes a second seat 412, and a second sliding cavity is provided in the second seat 412. The push rod 411 is slidably connected in the second sliding cavity. The push rod 411 moves towards the self-locking rod 231 and abuts against the lower end face of the self-locking rod 231 and pushes the self-locking rod 231 upward to the unlocking position, so that the self-locking rod 231 and the self-locking ring 232 are unlocked.

[0073] In order to enable the push rod 411 to move toward or away from the self-locking rod 231, the push rod 411 is configured as an electric push rod, or the push rod 411 is driven to move by a linear drive component such as a cylinder or hydraulic cylinder.

[0074] To lock the second locking component 23, the second adjusting mechanism 4 further includes a self-locking component 43. The self-locking component 43 includes a pressure rod 431, which abuts against the upper end face of the self-locking rod 231 and pushes the self-locking rod 231 downward to lock the self-locking rod 231 with the self-locking ring 232. An abutment surface is provided at one end of the pressure rod 431 near the self-locking rod 231, which abuts against the upper end face of the self-locking rod 231, so that the descent of the two pressure rods 431 can push the self-locking rod 231 downward.

[0075] Specifically, the self-locking component 43 is located below the second locking component 23. The self-locking component 43 includes a mounting base 432, a first lead screw 433, and a motor 434. The first lead screw 433 is rotatably connected to the mounting base 432, and the motor 434 is connected to the first lead screw 433 to drive the first lead screw 433 to rotate. To ensure sufficient stability of the self-locking component 43 during the pressing of the self-locking lever 231, two levers 431 are provided. The first lead screw 433 includes a forward thread and a reverse thread. One lever 431 engages with the forward thread, and the other lever 431 engages with the reverse thread, allowing the two levers 431 to move away from or towards each other. To drive the lever 431 to rise and fall, in the automatic loading and unloading device of this embodiment, the self-locking component 43 also includes a telescopic component 435. The telescopic component 435 is connected to the mounting base 432, and the extension and retraction of the telescopic component 435 can drive the mounting base 432 to rise and fall, thereby driving the lever 431 to rise and fall.

[0076] When the second locking component 23 needs to be locked, the first lead screw 433 is rotated to move the two pressure rods 431 away from each other, so that the distance between the two pressure rods 431 is greater than the length of the self-locking rod 231. The telescopic component 435 extends, causing the mounting base 432 to move closer to the self-locking rod 231, so that the two pressure rods 431 are respectively placed on both sides of the self-locking rod 231, and the abutting surface of the pressure rods 431 is flush with the upper end surface of the self-locking rod 231. The first lead screw 433 is rotated to move the two pressure rods 431 closer to each other, so that the abutting surfaces of the two pressure rods 431 abut against the upper end surface of the self-locking rod 231 respectively. The telescopic component 435 shortens, causing the mounting base 432 to move downward, which allows the pressure rods 431 to push the self-locking rod 231 downward to the self-locking position, thereby locking the self-locking rod 231 and the self-locking ring 232.

[0077] See Figure 8 To further adjust the length of the second connecting component 24, the second adjustment mechanism 4 also includes a tension component 42, which is correspondingly arranged with the second connecting component 24 and is used to adjust the length of the second connecting component 24. The tension component 42 includes a connecting plate 421, a receiving frame 422, and a support plate 423. The support plate 423 is connected to the frame 1, the connecting plate 421 is movably disposed on the receiving frame 422, and the receiving frame 422 is movably disposed on the support plate 423. The connecting plate 421 is used to move the connecting plate 421 toward the second connecting component 24 so that the connecting plate 421 can abut against the side wall of the connecting sleeve 222 near the hanger adjustment rod 241, thereby moving the connecting plate 421 along the length direction of the frame 1 and driving the hanger adjustment rod 241 along the length direction of the frame 1, thereby adjusting the position of the hanger adjustment rod 241 in the hanger connecting seat 242 to adjust the length of the second connecting component 24.

[0078] Specifically, the stretching assembly 42 also includes a push-pull component 424, which is disposed on the support plate 423 and connected to the end of the receiving frame 422 away from the adjustable hanger 2. The push-pull component 424 can drive the receiving frame 422 to move closer to or away from the second connecting assembly 24. The push-pull component 424 includes a connecting seat 4241 and a third adjusting rod 4242. The connecting seat 4241 is disposed on the end of the support plate 423 away from the second connecting assembly 24, and the third adjusting rod 4242 is connected to the receiving frame 422. The connecting seat 4241 is provided with a second sliding cavity, and the third adjusting rod 4242 slides in the second sliding cavity to drive the receiving frame 422 to move, thereby driving the connecting plate 421 to move closer to or away from the second connecting assembly 24.

[0079] In order to enable the connecting plate 421 to move along the length of the frame 1, the tensioning assembly 42 also includes a second lead screw 425 and a rotating shaft motor 426. The second lead screw 425 is connected to the receiving frame 422 along the length of the frame 1. The two ends of the second lead screw 425 are rotatably connected to the two side walls of the receiving frame 422. The connecting plate 421 passes through and is threadedly connected to the second lead screw 425. The output shaft of the rotating shaft motor 426 passes through the side wall of the receiving frame 422 and is connected to one end of the second lead screw 425. The rotating shaft motor 426 drives the second lead screw 425 to rotate, which can drive the connecting plate 421 to move along the length of the frame 1.

[0080] See Figure 9 The clamping assembly 25 includes an upper clamp 251 and a lower clamp 252. In order to open the clamping assembly 25 when loading and unloading workpieces, the clamping mechanism 5 includes a first clamping assembly 51 and a second clamping assembly 52. ​​The clamping mechanism 5 is movably mounted on the frame 1. The first clamping assembly 51 is correspondingly arranged with the upper clamp 251. The first clamping assembly 51 can move towards the upper clamp 251 to press the upper clamp 251, which is used to open the upper clamp 251. The second clamping assembly 52 can move towards the lower clamp 252 to press the lower clamp 252, which is used to open the lower clamp 252. This allows the workpiece to be placed in the adjustable hanger 2 and fixed by the clamping assembly 25, and allows the workpiece to be separated from the adjustable hanger 2 when disassembling the workpiece.

[0081] To facilitate the loading and unloading of workpieces, in the adjustable hanger 2 of this embodiment, the loading and unloading mechanism 6 includes a robot arm 62 and a suction cup 61. The suction cup 61 is connected to one end of the robot arm 62 near the adjustable hanger 2. The suction cup 61 is used to adsorb the workpiece, and the robot arm 62 is used to control the suction cup 61 to move between the workpiece placement position and the adjustable hanger 2, thereby realizing the loading and unloading of the workpiece on the adjustable hanger 2.

[0082] To facilitate the movement of the adjustable hanger 2 between the first, second, and third positions of the frame 1, a slide bar 11 is provided along the length of the frame 1. The adjustable hanger 2 cooperates with the slide bar 11 so that the adjustable hanger 1 can move along the length of the slide bar 11.

[0083] Specifically, in the automatic loading and unloading device of this embodiment, the upper part of the frame 1 is provided with two parallel sliding rods 11, and the adjustable hanger 2 is hung between the two sliding rods 11. The adjustable hanger 2 can move along the length direction of the sliding rods 11, thereby realizing the adjustment of the position of the adjustable hanger 2 on the frame 1, so as to facilitate the sequential adjustment of the length and width of the adjustable hanger 2, as well as the fixing and loading / unloading of the workpiece on the adjustable hanger 2.

[0084] To secure the adjustable hanger 2, which has already been positioned, and to prevent it from moving or wobbling during size adjustment and workpiece loading / unloading, the automatic loading / unloading device in this embodiment also includes three fixing mechanisms 7, which are respectively located at the first, second, and third positions of the frame 1. The adjustable hanger 2 also includes a fixing seat 26, which is located above the second connecting component 24. The width of the fixing seat 26 is greater than the distance between the two slide rods 11. The fixing seat 26 is placed on the upper surface of the two slide rods 11, allowing the adjustable hanger 2 to be hung between the two slide rods 11, thereby hanging the adjustable hanger 2 on the frame 1. The fixing mechanisms 7 are arranged opposite to the fixing seat 26 and can clamp the fixing seat 26 to secure the adjustable hanger 2, ensuring stability during size adjustment and workpiece loading / unloading of the adjustable hanger 2.

[0085] Specifically, the fixing mechanism 7 includes a rotating rod 71 and two clamping plates 72. The rotating rod 71 is rotatably mounted on the frame 1 along its length. The two clamping plates 72 are connected to the rotating rod 71 at intervals. The distance between the two clamping plates 72 is equal to the length of the fixing seat 26. The rotation of the rotating rod 71 can drive the two clamping plates 73 to rotate, so that the two clamping plates 72 respectively abut against the two opposite side walls of the fixing seat 26 to fix the adjustable hanger 2 and ensure the stability of the adjustable hanger 2 when it is in the first, second and third positions of the frame 1, so as to facilitate the size adjustment of the adjustable hanger 2 and the loading and unloading of workpieces on the adjustable hanger 2.

[0086] This embodiment also provides a method for using an automatic loading and unloading device, which is applied to the aforementioned automatic loading and unloading device. The method for using the automatic loading and unloading device includes the following steps:

[0087] S10. Determine whether the size of the workpiece matches the size of the adjustable fixture 2; if yes, proceed to S30; if no, proceed to S20.

[0088] The dimensions of the workpiece are measured manually and compared with the dimensions of the adjustable hanger 2 to determine whether the dimensions of the adjustable hanger 2 need to be adjusted. Then, the automatic loading and unloading device is controlled to execute S20 and S30, or S30 is executed directly.

[0089] S20. If the length of the adjustable hanger 2 needs to be adjusted, the adjustable hanger 2 is moved to the first position and the length of the adjustable hanger 2 is adjusted by the first adjustment mechanism 3; and / or, if the width of the adjustable hanger 2 needs to be adjusted, the adjustable hanger 2 is moved to the second position and the width of the adjustable hanger 2 is adjusted by the second adjustment mechanism 4.

[0090] When the length of the workpiece does not match the length of the workpiece that the adjustable hanger 2 can hold, the adjustable hanger 2 is moved to the first position of the frame 1, and the rotating rod 71 located in the first position is rotated to drive the two clamping plates 72 to rotate so that the two clamping plates 72 respectively abut against the two opposite side walls of the fixed base 26 to fix the adjustable hanger 2 in the first position of the frame 1; the first adjusting rod 312 is driven to move closer to the first locking component 21 and press the end of the first locking component 21 away from the end that abuts against the connecting rod 221 to release the first locking component 21, so that the length of the first connecting component 22 can be adjusted; the lifting platform 321 is driven to rise and fall, thereby driving the connecting rod 221 to rise and fall to adjust the length of the first connecting component 22 so that the length of the workpiece that the adjustable hanger 2 can hold is consistent with the length of the workpiece; the first adjusting rod 312 is driven to move away from the first locking component 21, thereby locking the first connecting component 22 with the adjusted length. Subsequently, the rotating rod 71 located in the second position of the frame 1 is rotated, causing the two clamping plates 72 to rotate so that the two clamping plates 72 disengage from the fixed seat 26, and the adjustable hanger 2 is moved to the second position in sequence to adjust the width of the adjustable hanger 2.

[0091] When adjusting the width of the adjustable hanger 2, first move the adjustable hanger 2 to the second position of the frame 1, rotate the rotating rod 71 located in the second position, drive the two clamping plates 72 to rotate, so that the two clamping plates 72 respectively abut against the two opposite side walls of the fixed base 26, so as to fix the adjustable hanger 2 in the second position of the frame 1; unlock the self-locking rod 231 and the self-locking ring 232 by unlocking the component 41, so that the length of the second connecting component 24 can be adjusted; push and pull component 424 drives the receiving frame 422 to move closer to the second connecting component 24, so that the connecting plate 421 abuts against the hanger adjusting rod 241, the rotating shaft motor 426 rotates and drives the second lead screw 425 to rotate, thereby driving the connecting plate 421 to move along the length direction of the frame 1, thereby adjusting the length of the second connecting component 24 so that the width of the workpiece that the adjustable hanger 2 can clamp is consistent with the width of the workpiece. Subsequently, the rotating rod 71 in the second position is rotated to drive the two clamps 72 so that the two clamps 72 disengage from the fixed seat 26 and the adjustable hanger 2 is moved to the third position.

[0092] Of course, if the adjustable hanger 2 only mismatches with the length of the workpiece, after adjusting the length in the first position, it can be moved directly to the third position. If the adjustable hanger 2 only mismatches with the width of the workpiece, it can be moved directly to the second position to adjust the width, and then moved to the third position.

[0093] S30. When the length and width of the adjustable hanger 2 are adjusted to match the size of the workpiece, the adjustable hanger 2 is moved to the third position, the clamping assembly 25 is opened by the clamping mechanism 5, and the workpiece is installed on the adjustable hanger 2 by the loading and unloading mechanism 6.

[0094] When the size of the workpiece to be electroplated matches the size of the workpiece that the adjustable hanger 2 can hold, the adjustable hanger 2 is moved to the third position of the frame 1, and the rotating rod 71 in the third position is rotated. The rotation of the rotating rod 71 drives the two clamping plates 72 to rotate, so that the two clamping plates 72 respectively abut against the two opposite side walls of the fixed base 26, thereby fixing the adjustable hanger 2 in the third position of the frame 1.

[0095] Then, the workpiece in the placement position is fixed to the adjustable hanger 2, and the clamping mechanism 5 is driven to move towards the clamping assembly 25 to press the clamping assembly 25, thereby opening the clamping assembly 25. The robot arm 62 drives the suction cup 61 to pick up the workpiece in the placement position and transfer the workpiece to the adjustable hanger 2. Then, the clamping mechanism 5 is driven to move away from the clamping assembly 25 to close the clamping assembly 25, so that the clamping assembly 25 clamps the workpiece, thereby fixing the workpiece in the adjustable hanger 2.

[0096] When the workpiece on the adjustable hanger 2 has completed electroplating, and it is necessary to transfer the workpiece held in the adjustable hanger 2 in the third position to the placement position, the clamping mechanism 5 is driven to move towards the clamping assembly 25 to press the clamping assembly 25, thereby opening the clamping assembly 25 and allowing the workpiece to be transferred out of the adjustable hanger 2. The robot arm 62 drives the suction cup 61 to approach the adjustable hanger 2 and adsorb the workpiece, and then transfers the workpiece from the adjustable hanger 2 to the placement position.

[0097] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. An automatic loading and unloading device, characterized in that, include: The frame (1) has a first position, a second position and a third position arranged sequentially along its length. An adjustable hanger (2) is movably disposed on the frame (1) and can move between the first position, the second position and the third position. The adjustable hanger (2) includes a clamping assembly (25) for clamping the workpiece. The first adjustment mechanism (3) is located at the first position and is used to adjust the length of the adjustable hanger (2); The second adjustment mechanism (4) is located in the second position and is used to adjust the width of the adjustable hanger (2); An opening clamping mechanism (5) is provided at the third position and is used to control the opening or closing of the clamping assembly (25); The loading and unloading mechanism (6) is located on the side directly opposite the third position and is used to load and unload the workpiece on the adjustable hanger (2). The adjustable hanger (2) further includes a first connecting component (22) and a first locking component (21). The first connecting component (22) includes a connecting rod (221) and a connecting sleeve (222). The connecting rod (221) is adjustablely disposed in the connecting sleeve (222). The first locking component (21) is disposed on the connecting sleeve (222) and can abut against the connecting rod (221) to lock the connecting rod (221). The adjustable hanger (2) further includes a second connecting component (24) and a second locking component (23) arranged opposite to each other. The second connecting component (24) and the second locking component (23) are located between two first connecting components (22). The second connecting component (24) includes two hanger adjusting rods (241) and a hanger connecting seat (242) located between the two hanger adjusting rods (241). The positions of the two hanger adjusting rods (241) within the hanger connecting seat (242) are adjustable. The second locking component (23) includes a self-locking rod (231) and two self-locking rings (232). Both self-locking rings (232) pass through the self-locking rod (231). A fixing plate (233) is provided on one side of each self-locking ring (232). One end of the fixing plate (233) is connected to the self-locking ring (232), and the other end is connected to the first connecting component (22). Adjusting the position of the self-locking rings (232) on the self-locking rod (231) can adjust the position of both self-locking rings (231). The spacing between the first connecting components (22) is adapted to the length of the second connecting component (24); when the self-locking rod (231) is in the self-locking position of the self-locking ring (232), the self-locking ring (232) is locked to the self-locking rod (231); when the self-locking rod (231) is in the unlocking position of the self-locking ring (232), the self-locking ring (232) is unlocked to adjust the spacing between the two self-locking rings (232); The self-locking ring (232) has a trapezoidal cross-section and includes a square hole and a trapezoidal hole. The trapezoidal hole is located in the self-locking position, and the square hole is located in the unlocking position. The trapezoidal hole is located below the square hole. The square hole and the trapezoidal hole are connected. The short side of the trapezoidal hole is located at the end away from the square hole. The self-locking rod (231) and the trapezoidal hole can be interference-fitted. When the self-locking rod (231) is located in the trapezoidal hole, the self-locking rod (231) is locked to the self-locking ring (232). There is a gap between the square hole and the self-locking rod (231). When the self-locking rod (231) is located in the square hole, the self-locking ring (232) is unlocked to the self-locking rod (231).

2. The automatic loading and unloading device according to claim 1, characterized in that, The first adjustment mechanism (3) includes a pressing component (31) and an adjustment component (32). The pressing component (31) is disposed opposite to the first locking component (21). The pressing component (31) can press the first locking component (21) to unlock the first connecting component (22). The adjustment component (32) is movably disposed below the adjustable hanger (2). The lifting and lowering of the adjustment component (32) can drive the connecting rod (221) to lift and lower, so as to adjust the length of the first connecting component (22).

3. The automatic loading and unloading device according to claim 2, characterized in that, The pressing component (31) includes a first seat (311) and a first adjusting rod (312). The first seat (311) is provided with a first sliding cavity. The first adjusting rod (312) is slidably connected in the first sliding cavity. The first adjusting rod (312) moves in a direction close to the first locking component (21) so that the first adjusting rod (312) presses the end of the first locking component (21) away from the end of the first locking component (21) that abuts against the connecting rod (221). The first adjusting rod (312) moves in a direction away from the first locking component (21) so that the first adjusting rod (312) releases the first locking component (21) from the first locking component (21).

4. The automatic loading and unloading device according to claim 2, characterized in that, The adjustment component (32) includes a lifting platform (321), which is located below the connecting rod (221). The lifting platform (321) can drive the connecting rod (221) to rise and fall.

5. The automatic loading and unloading device according to claim 4, characterized in that, The adjustment assembly (32) further includes at least four second adjustment rods (322). The at least four second adjustment rods (322) are evenly distributed around the circumference of the lifting platform (321). The at least four second adjustment rods (322) are all inserted through the lifting platform (321) and are threadedly connected to the lifting platform (321). When the second adjustment rods (322) rotate, they can drive the lifting platform (321) to rise and fall.

6. The automatic loading and unloading device according to claim 1, characterized in that, The second adjustment mechanism (4) includes an unlocking component (41), which is located below the second locking component (23). The unlocking component (41) includes a push rod (412), which can abut against the lower end face of the self-locking rod (231) and push the self-locking rod (231) upward to release the self-locking rod (231) from the self-locking ring (232).

7. The automatic loading and unloading device according to claim 6, characterized in that, The second adjustment mechanism (4) further includes a self-locking component (43), which includes a pressure rod (431). The pressure rod (431) can abut against the upper end face of the self-locking rod (231) and push the self-locking rod (231) downward so that the self-locking rod (231) locks with the self-locking ring (232).

8. The automatic loading and unloading device according to claim 7, characterized in that, The self-locking component (43) is located below the second locking component (23). The self-locking component (43) also includes a mounting base (432), a first lead screw (433), and a motor (434). The first lead screw (433) is rotatably connected to the mounting base (432), and the motor (434) is connected to the first lead screw (433) to drive the first lead screw (433) to rotate. The first lead screw (433) includes a forward thread and a reverse thread. There are two pressure rods (431), one of which is engaged with the forward thread and the other is engaged with the reverse thread, so that the two pressure rods (431) can move away from each other or closer to each other.

9. The automatic loading and unloading device according to claim 8, characterized in that, The second adjustment mechanism (4) further includes a tensioning component (42), which is disposed opposite to the second connecting component (24) and is used to adjust the length of the second connecting component (24). The tensioning component (42) includes a connecting plate (421), a receiving frame (422), and a support plate (423). The connecting plate (421) is movably disposed on the receiving frame (422), and the receiving frame (422) is movably disposed on the support plate (423). The support plate (423) is connected to the frame (1). The receiving frame (422) can drive the connecting plate (421) to move closer to the second connecting component (24), so that the connecting plate (421) and the connecting sleeve (222) abut against the side wall of the hanger adjustment rod (241). The connecting plate (421) moves along the length direction of the frame (1) to adjust the length of the second connecting component (24).

10. The automatic loading and unloading device according to claim 9, characterized in that, The stretching assembly further includes a push-pull component (424), which is disposed on the support plate (423). The push-pull component (424) is connected to the end of the receiving frame (422) away from the adjustable hanger (2). The push-pull component (424) can drive the receiving frame (422) to move closer to or away from the second connecting assembly (24). The push-pull component (424) includes a connecting seat (4241) and a third adjusting rod (4242). The connecting seat (4241) is located at one end of the support plate (423) away from the second connecting assembly (24). The third adjusting rod (4242) is connected to the receiving frame (422). The connecting seat (4241) is provided with a second sliding cavity. The third adjusting rod (4242) slides in the second sliding cavity to drive the receiving frame (422) to move.

11. The automatic loading and unloading device according to claim 1, characterized in that, The clamping mechanism (5) includes a first clamping component (51) and a second clamping component (52). The clamping assembly (25) includes an upper clamp (251) and a lower clamp (252). The clamping mechanism (5) is movably disposed on the frame (1). The first clamping component (51) is correspondingly disposed with respect to the upper clamp (251). The first clamping component (51) can move toward the upper clamp (251) to press the upper clamp (251). The second clamping component (52) is correspondingly disposed with respect to the lower clamp (252). The second clamping component (52) can move toward the lower clamp (252) to press the lower clamp (252).

12. The automatic loading and unloading device according to claim 1, characterized in that, The loading and unloading mechanism (6) includes a suction cup (61) and a robot (62). The suction cup (61) is connected to one end of the robot (62) and is used to adsorb the workpiece. The robot (62) can drive the suction cup (61) to move between the workpiece placement position and the adjustable hanger (2) to complete the loading and unloading of the workpiece on the adjustable hanger (2).

13. The automatic loading and unloading device according to claim 1, characterized in that, A slide bar (11) is provided along the length direction of the frame (1), and the adjustable hanger (2) cooperates with the slide bar (11) so that the adjustable hanger (2) can move along the length direction of the slide bar (11).

14. The automatic loading and unloading device according to claim 1, characterized in that, The automatic loading and unloading device also includes three fixing mechanisms (7). The three fixing mechanisms (7) are respectively located at the first position, the second position and the third position of the frame (1). The fixing mechanism (7) is arranged opposite to the fixing seat (26) of the adjustable hanger (2). The fixing mechanism (7) can clamp the fixing seat (26) to fix the adjustable hanger (2).

15. The automatic loading and unloading device according to claim 14, characterized in that, The fixing mechanism (7) includes a rotating rod (71) and two clamping plates (72). The rotating rod (71) is rotatably mounted on the frame (1) along the length direction of the frame (1). The two clamping plates (72) are connected to the rotating rod (71) at intervals. The distance between the two clamping plates (72) is equal to the length of the fixing seat (26). The rotation of the rotating rod (71) can drive the two clamping plates (72) to rotate, so that the two clamping plates (72) respectively abut against the two opposite side walls of the fixing seat (26) to fix the adjustable hanger (2).

16. The method of using an automatic loading and unloading device, characterized in that, The automatic loading and unloading device as described in any one of claims 1-15, wherein the method of using the automatic loading and unloading device includes the following steps: Determine whether the size of the workpiece matches the size of the adjustable fixture (2); If the length of the adjustable hanger (2) needs to be adjusted, move the adjustable hanger (2) to the first position and adjust the length of the adjustable hanger (2) through the first adjustment mechanism (3); And / or, if the width of the adjustable hanger (2) needs to be adjusted, the adjustable hanger (2) is moved to the second position, and the width of the adjustable hanger (2) is adjusted by the second adjustment mechanism (4); When the length and width of the adjustable hanger (2) are adjusted to match the size of the workpiece, the adjustable hanger (2) is moved to the third position, the clamp assembly (25) is opened by the clamping mechanism (5), and the workpiece is installed on the adjustable hanger (2) by the loading and unloading mechanism (6).

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