Unpowered vehicle off-line transfer mechanism, production line and method

Abstract

The invention provides an unpowered vehicle off-line transfer mechanism, a production line and a method, and belongs to the technical field of automobile production, the unpowered vehicle off-line transfer mechanism comprises a transfer mechanism frame, an X-direction moving unit, a Z-direction lifting unit and a supporting dragging block adjusting unit, the X-direction moving unit is in sliding connection with the transfer mechanism frame, the Z-direction lifting unit is fixed to the X-direction moving unit, and the supporting dragging block adjusting unit is fixed to the X-direction moving unit; the supporting dragging block adjusting unit is connected to the Z-direction lifting unit in a sliding mode. According to the invention, quick transfer of the unpowered vehicle can be realized, collinear production and flexible offline of the powered vehicle and the unpowered vehicle are met, and the production efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile production, and in particular relates to an off-line transfer mechanism, a production line and a method for unpowered vehicles. Background Art

[0002] With the development of the automobile industry, electric vehicles are also included in the development plan of the automobile industry. However, the existing automobile assembly lines are only suitable for the production of powered vehicles. When unpowered electric vehicles arrive at the assembly line, workers are usually required to use a lifting device to transfer the unpowered vehicle to a process trolley, and then use a logistics traction trolley to tow the process trolley to transfer the unpowered vehicle to the site required for the next process. Due to the large number of vehicles coming off the assembly line, this type of transfer and placement is inefficient and cannot meet production needs.

[0003] In addition, the existing automobile assembly workshops are unable to realize the simultaneous transfer of powered and non-powered vehicles, and are unable to realize the co-production and flexible offline of powered and non-powered vehicles, resulting in low production efficiency. Summary of the invention

[0004] In view of the defects or shortcomings in the prior art, the present invention provides a non-powered vehicle offline transfer mechanism, production line and method, which can realize the rapid transfer of non-powered vehicles, while meeting the co-production of powered and non-powered vehicles and flexible offline production, thereby improving production efficiency.

[0005] To achieve the above object, the present invention adopts the following technical solution: In a first aspect, an embodiment of the present invention provides a non-powered vehicle offline transfer mechanism, comprising a transfer mechanism frame, an X-direction moving unit, a Z-direction lifting unit, and a support drag block adjustment unit, wherein the X-direction moving unit is slidably connected to the transfer mechanism frame, the Z-direction lifting unit is fixed on the X-direction moving unit, and the support drag block adjustment unit is slidably connected to the Z-direction lifting unit; The X-direction moving unit includes an X-direction moving unit frame, and an X-direction moving drive motor is fixedly connected to the front side of the X-direction moving unit frame. The output shaft of the X-direction moving drive motor is connected to a reducer, and the reducer is provided with two output shafts. The two output shafts are connected to a transmission rod through a coupling, and the other end of the transmission rod is connected to the driving wheels at both ends of the X-direction moving unit frame, and the driving wheels are rollingly connected to the tracks on both sides of the top of the transfer mechanism frame.

[0006] Furthermore, the transfer mechanism frame includes a support column, and the support column is provided in plurality, and the plurality of support columns are symmetrically arranged in two rows, and a top crossbeam is provided on the top of each row of support columns, and the track is fixed on the upper surface of the top crossbeam.

[0007] Furthermore, a plurality of driven wheels are provided at both ends of the X-moving unit frame, the plurality of driven wheels are arranged side by side along the width direction of the X-moving unit frame, and a set distance is spaced between the plurality of driven wheels, the driving wheel and the driven wheel are arranged corresponding to the tracks on both sides of the transfer mechanism frame, and the driving wheel and the driven wheel are in contact with the tracks.

[0008] Furthermore, the Z-direction lifting unit includes a Z-direction lifting unit frame, which is n-shaped and includes a transverse bracket and a vertical bracket. Two vertical brackets are provided, and the two vertical brackets are symmetrically fixed at both ends of the transverse bracket, wherein the transverse bracket is fixed to the bottom of the X-direction moving unit frame by bolts.

[0009] Furthermore, a plurality of driving sprockets are fixedly connected to the upper surface of one end of the X-axis moving unit frame, and the axes of the plurality of driving sprockets are connected through a driving shaft; a plurality of driven sprockets are fixedly connected to the other end of the X-axis moving unit frame, and the axes of the plurality of driven sprockets are connected through a driven shaft; a Z-axis lifting drive motor is also fixed to the upper surface of the X-axis moving unit frame, and the Z-axis lifting drive motor is fixed on one side of the driving sprocket, and the output shaft of the Z-axis lifting drive motor is connected to the driving shaft through a coupling.

[0010] Furthermore, a counterweight block is provided on the vertical bracket below the driving sprocket, and the counterweight block is slidably connected to the vertical bracket. Support and drag block adjustment units are slidably connected to the two vertical brackets. The top of the support and drag block adjustment unit on the driving sprocket side is connected to the first chain on both sides, and the first chain bypasses the driving sprocket and is connected to the counterweight block. The top of the support and drag block adjustment unit on the driven sprocket side is connected to the second chain on both sides, and the second chain bypasses the driven sprocket and the driving sprocket in turn and is connected to the counterweight block.

[0011] Furthermore, the support drag block adjustment unit is L-shaped, including a lateral support and a vertical support, guide wheels are provided on both sides of the top of the vertical support, and slide rails are provided on the side walls of the vertical bracket of the Z-direction lifting unit. The slide rails are arranged along the height direction of the vertical bracket, and the guide wheels are adapted to the slide rails.

[0012] Furthermore, the lateral support has drag blocks rotatably connected to both sides of one end away from the vertical support, and cylinders are provided on both sides of the lateral support, one end of the cylinder is hinged to the inner side of the lateral support, and the other end is hinged to the inner side of the drag block.

[0013] In the second aspect, an embodiment of the present invention also provides an offline transfer production line, including an unpowered vehicle offline transfer mechanism as described above, and also including a skateboard, a transfer elevator and an aerial transfer line, wherein the unpowered vehicle offline transfer mechanism is arranged at the end of the skateboard's movement direction, the transfer elevator is arranged in the middle of the production line, and the aerial transfer line is located above the transfer elevator.

[0014] In a third aspect, an embodiment of the present invention further provides a method for off-line transfer, using an off-line transfer production line as described above, comprising the following steps: When a powered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. According to the traditional vehicle model process, the transfer elevator lifts and tows the powered vehicle. The transfer gripper clamps the powered vehicle and transfers it to the powered vehicle downline conveyor line. The slide continues to operate to the unpowered vehicle downline transfer mechanism. At this time, the unpowered vehicle downline transfer mechanism does not operate. The rear loading line slide continues to operate and passes through the unpowered vehicle downline transfer mechanism and is transferred by the transfer machine. When the unpowered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. At this time, the transfer elevator does not operate, and the slide continues to operate, and enters the unpowered vehicle offline transfer mechanism. The unpowered vehicle offline transfer mechanism transfers the unpowered vehicle to the process trolley, and the process trolley is towed by the logistics traction trolley to transfer the unpowered vehicle to the site required for the next process.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention sets a transfer mechanism frame, and slidably connects an X-direction moving unit and a Z-direction lifting unit on the transfer mechanism frame, wherein the Z-direction lifting unit is slidably connected to a support and drag block adjustment unit, lifts the unpowered vehicle through the support and drag block adjustment unit, and transfers the unpowered vehicle to a process trolley driven by the X-direction moving unit and the Z-direction lifting unit, thereby improving the transfer efficiency of the unpowered trolley.

[0016] 2. The present invention arranges the unpowered vehicle offline transfer mechanism at the rear side of the transfer elevator, thereby meeting the simultaneous transfer of powered vehicles to the conveyor line and the offline transfer of unpowered vehicles, thereby achieving the co-production of powered and unpowered vehicles and flexible offline transfer, thereby improving production and transfer efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the unpowered vehicle offline transfer mechanism in the first embodiment of the present invention; Figure 2 This is a schematic diagram of the frame structure of the transfer mechanism in the first embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the X-direction moving unit in the first embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the Z-direction lifting unit in the first embodiment of the present invention; Figure 5 This is a schematic diagram of the support block adjustment structure in Embodiment 1 of the present invention; Figure 6 This is a diagram of the transport state of a powered vehicle in Embodiment 2 of the present invention; Figure 7This is a state diagram of a non-powered vehicle transport in Embodiment 2 of the present invention; Among them, 1. Transfer mechanism frame; 101. Support column; 102. Top crossbeam; 103. Diagonal brace; 104. Connecting beam; 105. Track; 106. Side slide rail; 2. X-axis moving unit; 201. X-axis moving unit frame; 202. X-axis moving drive motor; 203. Speed ​​reducer; 204. Transmission rod; 205. Driving wheel; 206. Driven wheel; 3. Z-axis lifting unit; 301. Z-axis lifting unit frame; 302. Crossbeam; 104. Connecting beam; 105. Track; 106. Side slide rail; 2. X-axis moving unit; 201. X-axis moving unit frame; 202. X-axis moving drive motor; 203. Speed ​​reducer; 204. Transmission rod; 205. Driving wheel; 206. Driven wheel; 3. Z-axis lifting unit; 301. Z-axis lifting unit frame; 302. 303, vertical bracket; 304, side slide; 305, driving sprocket; 306, driving shaft; 307, driven sprocket; 308, driven shaft; 309, Z-axis lifting drive motor; 310, counterweight; 311, slide rail; 4, support and drag block adjustment unit; 401, lateral support; 402, vertical support; 403, guide wheel; 404, cylinder; 405, drag block; 5, slide plate; 6, transfer elevator; 7, aerial transfer line. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Embodiment 1 A typical implementation of the present invention is as follows Figure 1 As shown, a non-powered vehicle offline transfer mechanism includes a transfer mechanism frame 1, an X-axis moving unit 2, a Z-axis lifting unit 3 and a support drag block adjustment unit 4, wherein the X-axis moving unit 2 is slidably connected to the transfer mechanism frame 1, the Z-axis lifting unit 3 is fixed on the X-axis moving unit 2, and the support drag block adjustment unit 4 is slidably connected to the Z-axis lifting unit 3.

[0020] like Figure 2 The transfer mechanism frame 1 shown includes a support column 101, and a plurality of support columns 101 are provided. The plurality of support columns 101 are symmetrically arranged in two rows. A top cross beam 102 is provided on the top of each row of support columns 101. The upper surfaces of the two top cross beams 102 are located in the same plane. A diagonal brace 103 is provided between the top cross beam 102 and the support column 101 to ensure the stability of the connection between the top cross beam 102 and the support column 101. The front and rear ends of the two top cross beams 102 are fixedly connected by a connecting beam 104. A track 105 is provided on the upper surface of the top cross beam 102. The track 105 is arranged along the length direction of the top cross beam 102.

[0021] The X-axis moving unit 2 is slidably connected to the track 105 , so that the X-axis moving unit 2 can move along the length direction of the top crossbeam 102 .

[0022] like Figure 3As shown, the X-direction moving unit 2 includes an X-direction moving unit frame 201, the length of the X-direction moving unit frame 201 is the same as the distance between the two tracks 105, an X-direction moving drive motor 202 is fixedly connected to the front side of the X-direction moving unit frame 201, the output shaft of the X-direction moving drive motor 202 is connected to the reducer 203, the reducer 203 is provided with two output shafts, the two output shafts are connected to the transmission rod 204 through a coupling, the other end of the transmission rod 204 is connected to the driving wheels 205 at both ends of the X-direction moving unit frame 201, so that the X-direction moving drive motor 202 is used to drive the driving wheels 205 located at both ends of the X-direction moving unit frame 201 to rotate, and a plurality of driven wheels 206 are also provided at both ends of the X-direction moving unit frame 201, and the plurality of driven wheels 206 are arranged side by side along the width direction of the X-direction moving unit frame 201, and a set distance is spaced between the plurality of driven wheels 206. The driving wheel 205 and the driven wheel 206 at both ends of the X-axis moving unit frame 201 are arranged corresponding to the tracks 105 on both sides of the transfer mechanism frame 1. The driving wheel 205 and the driven wheel 206 are in contact with the tracks 105. When the driving wheel 205 rotates, it drives the X-axis moving unit 2 to move along the tracks 105, thereby realizing the movement of the X-axis moving unit 2 on the top of the transfer mechanism frame 1.

[0023] The Z-direction lifting unit 3 is fixed on the X-direction moving unit 2. Figure 4 As shown, the Z-direction lifting unit 3 includes a Z-direction lifting unit frame 301, which is n-shaped and includes a horizontal bracket 302 and a vertical bracket 303. Two vertical brackets 303 are provided, and the two vertical brackets 303 are symmetrically fixed at both ends of the horizontal bracket 302, wherein the horizontal bracket 302 is fixed to the bottom of the X-direction moving unit frame 201 by bolts, so that the Z-direction lifting unit 3 can move with the X-direction moving unit 2.

[0024] The two vertical brackets 303 are respectively arranged close to the support columns 101 on both sides, and the lower parts of the multiple support columns 101 are fixedly connected with side slide rails 106, and the side slide rails 106 are arranged parallel to the tracks 105. The vertical brackets 303 are provided with side slide grooves 304, and the side slide rails 106 are adapted to the side slide grooves 304. The side slide rails 106 can be placed in the side slide grooves 304, and the side slide grooves 304 can move in the side slide rails 106, so as to guide the sliding of the X-axis movable unit frame 201 and ensure the stability of the movement of the X-axis movable unit frame 201.

[0025] A plurality of driving sprockets 305 are fixedly connected to the upper surface of one end of the X-axis moving unit frame 201. In the present embodiment, four driving sprockets 305 are provided. The axes of the plurality of driving sprockets 305 are connected by a driving shaft 306. Both ends of the driving shaft 306 are fixed to the X-axis moving unit frame 201 through bearing seats. A plurality of driven sprockets 307 are fixedly connected to the other end of the X-axis moving unit frame 201. In the present embodiment, two driven sprockets 307 are provided. The axes of the plurality of driven sprockets 307 are connected by a driven shaft 308. Both ends of the driven shaft 308 are fixed to the X-axis moving unit frame 201 through bearing seats. The driving sprocket 305 and the driven sprocket 307 are respectively located above the two vertical brackets 303. A Z-axis lifting drive motor 309 is also fixed to the upper surface of the X-axis moving unit frame 201. The Z-direction lifting drive motor 309 is fixed on one side of the driving sprocket 305, and the output shaft of the Z-direction lifting drive motor 309 is connected to the driving shaft 306 through a coupling, so that the driving sprocket 305 is driven to rotate by the Z-direction lifting drive motor 309. A counterweight block 310 is also provided on the vertical bracket 303 below the driving sprocket 305, and the counterweight block 310 is slidably connected to the vertical bracket 303.

[0026] The two vertical brackets 303 are both slidably connected with the support and drag block adjustment unit 4 , and the support and drag block adjustment unit 4 can move up and down along the vertical brackets 303 .

[0027] A first chain is connected to both sides of the top of the support drag block adjustment unit 4 on one side of the driving sprocket 305, and the first chain bypasses the driving sprocket 305 and is connected to the counterweight 310. A second chain is connected to both sides of the top of the support drag block adjustment unit 4 on one side of the driven sprocket 307, and the second chain bypasses the driven sprocket 307 and the driving sprocket 305 in sequence and is connected to the counterweight 310. When the Z-direction lifting drive motor 309 rotates, the support drag block adjustment units 4 on both sides are driven to rise and fall synchronously through the first chain and the second chain, and the counterweight 310 can reduce the load of the Z-direction lifting drive motor 309 to ensure the stability of the movement of the support drag block adjustment unit 4.

[0028] like Figure 5 As shown, the support drag block adjustment unit 4 is L-shaped, including a lateral support 401 and a vertical support 402. Guide wheels 403 are symmetrically arranged on both sides of the top of the vertical support 402. Slide rails 311 are arranged on the side walls of the vertical bracket 303 of the Z-direction lifting unit 3. The slide rails 311 are arranged along the height direction of the vertical bracket 303. The guide wheels 403 are adapted to the slide rails 311. The sliding connection between the support drag block adjustment unit 4 and the Z-direction lifting unit 3 is realized through the guide wheels 403 and the slide rails 311.

[0029] The transverse support 401 is fixed at the bottom of the vertical support 402. A drag block 405 is provided at one end of the transverse support 401 away from the vertical support 402. Two drag blocks 405 are provided. The two drag blocks 405 are respectively arranged on both sides of the transverse support 401 and are rotatably connected to the transverse support 401. Cylinders 404 are provided on both sides of the transverse support 401. One end of the cylinder 404 is hinged to the inner side of the transverse support 401, and the other end is hinged to the inner side of the drag block 405, so that the cylinder 404 is used to drive the drag block 405 to rotate.

[0030] During use, when the vehicle is identified as an unpowered vehicle, the X-direction moving unit 2 moves to the top of the unpowered vehicle, the Z-direction lifting unit 3 drives the supporting drag block adjustment unit 4 to descend to the lower part of the vehicle skirt, and the drag block 405 is adjusted to a set position through the cylinder 404 so that the drag block 405 is located below the vehicle skirt, the Z-direction lifting unit 3 rises and lifts the unpowered vehicle to a set height, the X-direction moving unit 2 moves the unpowered vehicle to the top of a process trolley or other transfer equipment, and the Z-direction lifting unit 3 descends to place the unpowered vehicle on the process trolley for transfer.

[0031] Embodiment 2 This embodiment provides an offline transfer production line, including an unpowered vehicle offline transfer mechanism as described in the first embodiment, such as Figure 5 and Figure 6 As shown, it also includes a slide plate 5, a transfer elevator 6 and an aerial transfer line 7. The slide plate 5 is used to place powered vehicles and unpowered vehicles and drive the powered vehicles and unpowered vehicles to move. The unpowered vehicle offline transfer mechanism is set at the end of the slide plate movement direction 5. The transfer elevator 6 is set in the middle of the production line. The aerial transfer line 7 is located above the transfer elevator 6. The transfer elevator 6 is used to lift the powered vehicle to the aerial transfer line 7. The aerial transfer line 7 transfers the powered vehicle to the next conveyor line, while the unpowered vehicle is transferred to the unpowered vehicle offline transfer mechanism via the slide plate 5.

[0032] The present invention arranges the unpowered vehicle offline transfer mechanism at the rear side of the transfer elevator, thereby meeting the requirements of the powered vehicle being transferred to the conveying line and the unpowered vehicle being offline at the same time, thereby improving the production transfer efficiency.

[0033] Embodiment 3 This embodiment provides a method for offline transfer, using an offline transfer mechanism as described in the second embodiment, including the following steps: When a powered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. According to the traditional vehicle model process, the transfer elevator lifts and tows the powered vehicle. The transfer gripper clamps the powered vehicle and transfers it to the powered vehicle downline conveyor line. The slide continues to operate to the unpowered vehicle downline transfer mechanism. At this time, the unpowered vehicle downline transfer mechanism does not operate. The rear loading line slide continues to operate and passes through the unpowered vehicle downline transfer mechanism and is transferred by the transfer machine. When the unpowered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. At this time, the transfer elevator does not operate, and the slide continues to operate, and enters the unpowered vehicle offline transfer mechanism. The unpowered vehicle offline transfer mechanism transfers the unpowered vehicle to the process trolley, and the process trolley is towed by the logistics traction trolley to transfer the unpowered vehicle to the site required for the next process.

[0034] The present invention realizes the simultaneous transfer of unpowered vehicles and powered vehicles, meets the requirements of co-production and flexible offline of powered and unpowered vehicles in automobile assembly workshops, and improves production efficiency.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A non-powered vehicle offline transfer mechanism, characterized in that: It includes a transfer mechanism frame, an X-direction moving unit, a Z-direction lifting unit and a support drag block adjustment unit, wherein the X-direction moving unit is slidably connected to the transfer mechanism frame, the Z-direction lifting unit is fixed on the X-direction moving unit, and the support drag block adjustment unit is slidably connected to the Z-direction lifting unit; The X-direction moving unit includes an X-direction moving unit frame, and an X-direction moving drive motor is fixedly connected to the front side of the X-direction moving unit frame. The output shaft of the X-direction moving drive motor is connected to a reducer, and the reducer is provided with two output shafts. The two output shafts are connected to a transmission rod through a coupling, and the other end of the transmission rod is connected to the driving wheels at both ends of the X-direction moving unit frame, and the driving wheels are rollingly connected to the tracks on both sides of the top of the transfer mechanism frame.

2. The non-powered vehicle offline transfer mechanism according to claim 1, characterized in that: The transfer mechanism frame includes a plurality of support columns, and the plurality of support columns are symmetrically arranged in two rows. A top crossbeam is arranged on the top of each row of support columns, and the track is fixed on the upper surface of the top crossbeam.

3. The non-powered vehicle offline transfer mechanism according to claim 2, characterized in that: A plurality of driven wheels are also provided at both ends of the X-direction moving unit frame. The plurality of driven wheels are arranged side by side along the width direction of the X-direction moving unit frame, and a set distance is spaced between the plurality of driven wheels. The driving wheel and the driven wheel are arranged corresponding to the tracks on both sides of the transfer mechanism frame, and the driving wheel and the driven wheel are in contact with the tracks.

4. The non-powered vehicle offline transfer mechanism according to claim 1, characterized in that: The Z-direction lifting unit includes a Z-direction lifting unit frame, which is n-shaped and includes a horizontal bracket and a vertical bracket. Two vertical brackets are provided, and the two vertical brackets are symmetrically fixed at both ends of the horizontal bracket, wherein the horizontal bracket is fixed to the bottom of the X-direction moving unit frame by bolts.

5. The non-powered vehicle offline transfer mechanism as claimed in claim 4, characterized in that: A plurality of driving sprockets are fixedly connected to the upper surface of one end of the X-axis moving unit frame, and the axes of the plurality of driving sprockets are connected through a driving shaft; a plurality of driven sprockets are fixedly connected to the other end of the X-axis moving unit frame, and the axes of the plurality of driven sprockets are connected through a driven shaft; a Z-axis lifting drive motor is also fixed to the upper surface of the X-axis moving unit frame, and the Z-axis lifting drive motor is fixed on one side of the driving sprocket, and the output shaft of the Z-axis lifting drive motor is connected to the driving shaft through a coupling.

6. The non-powered vehicle offline transfer mechanism according to claim 5, characterized in that: A counterweight block is also provided on the vertical bracket below the driving sprocket, and the counterweight block is slidably connected to the vertical bracket. Support and drag block adjustment units are slidably connected to the two vertical brackets. The top of the support and drag block adjustment unit on one side of the driving sprocket is connected to the first chain on both sides, and the first chain bypasses the driving sprocket and is connected to the counterweight block. The top of the support and drag block adjustment unit on the driven sprocket side is connected to the second chain on both sides, and the second chain bypasses the driven sprocket and the driving sprocket in turn and is connected to the counterweight block.

7. The non-powered vehicle offline transfer mechanism according to claim 1, characterized in that: The support drag block adjustment unit is L-shaped, including a lateral support and a vertical support. Guide wheels are arranged on both sides of the top of the vertical support. Slide rails are arranged on the side walls of the vertical bracket of the Z-direction lifting unit. The slide rails are arranged along the height direction of the vertical bracket, and the guide wheels are adapted to the slide rails.

8. The non-powered vehicle offline transfer mechanism according to claim 7, characterized in that: The two sides of the transverse support away from the vertical support are rotatably connected with drag blocks. Cylinders are arranged on both sides of the transverse support. One end of the cylinder is hinged to the inner side of the transverse support, and the other end is hinged to the inner side of the drag block.

9. An offline transfer production line, comprising an offline transfer mechanism for unpowered vehicles as claimed in any one of claims 1 to 8, characterized in that: It also includes a skateboard, a transfer elevator and an aerial transfer line. The unpowered vehicle offline transfer mechanism is arranged at the end of the skateboard's movement direction, the transfer elevator is arranged in the middle of the production line, and the aerial transfer line is located above the transfer elevator.

10. A method for off-line transfer, using the off-line transfer production line according to claim 9, characterized in that: The following steps are involved: When a powered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. According to the traditional vehicle model process, the transfer elevator lifts and tows the powered vehicle. The transfer gripper clamps the powered vehicle and transfers it to the powered vehicle downline conveyor line. The slide continues to operate to the unpowered vehicle downline transfer mechanism. At this time, the unpowered vehicle downline transfer mechanism does not operate. The rear loading line slide continues to operate and passes through the unpowered vehicle downline transfer mechanism and is transferred by the transfer machine. When the unpowered vehicle enters the transfer elevator through the slide, the vehicle configuration information is identified. At this time, the transfer elevator does not operate, and the slide continues to operate, and enters the unpowered vehicle offline transfer mechanism. The unpowered vehicle offline transfer mechanism transfers the unpowered vehicle to the process trolley, and the process trolley is towed by the logistics traction trolley to transfer the unpowered vehicle to the site required for the next process.

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