Storage location and tool switching system in butt joint transfer with AGV trolley

Abstract

The utility model relates to a storage location and tool switching system in butt joint transfer with an AGV trolley, and belongs to the technical field of workpiece repair welding. The storage location in butt joint with the AGV for transfer comprises a supporting frame and a positioning mechanism, the supporting frame is of a U-shaped structure, an opening allowing the AGV to enter and exit is formed in the opening end of the supporting frame, a containing space used for containing the AGV is formed in the supporting frame, and the positioning mechanism is used for positioning a tool located on the supporting frame. The tool switching system comprises a sliding table track, a transfer trolley and a storage location, the transfer trolley can carry tools to walk between the working position and the exchange position, and the tool switching system further comprises a transplanting mechanism used for transferring the tools on the exchange position and the temporary storage position. The flexible repair welding device is simple in structure, convenient to operate, accurate in tool positioning and convenient and fast to transfer and transfer, workpiece tools of different vehicle types can be conveniently switched, meanwhile, the tools can be transferred and stored through the AGV, and the flexible repair welding device is widely applied to flexible repair welding operation of workpieces of multiple vehicle types.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of with AGV trolley docking transfer's position and tool switching system, belong to workpiece repair welding technical field. BACKGROUND

[0002] With the intensification of automobile market competition and the diversification of consumer demand, more diversified vehicle models are needed to meet the needs of different consumers. The previous single-vehicle production line has been difficult to meet the needs of diversified automobile welding lines, so the production mode of flexible mixed line or co-line welding line of multiple vehicle models and multiple platforms has appeared.

[0003] When multiple vehicle models are flexibly co-welded, if repair welding is performed, the corresponding tooling is placed on the repair welding work position according to the vehicle model workpiece to be processed, and then the workpiece is placed on the corresponding tooling for repair welding. When different vehicle models are changed, different tooling needs to be replaced, which requires the tooling on the work position to be removed to avoid interference with the repair welding operation of the corresponding vehicle model workpiece on the work position. The tooling that is temporarily not needed can be moved to a temporary storage position for temporary storage, and the required tooling can be moved to the work position. However, due to the diversification of vehicle models, there are many toolings, and in addition, the storage position is generally flat and has a large footprint. If the storage position is equipped according to the number of vehicle models, it will occupy a lot of space, resulting in increased costs. Therefore, a storage library is added to store tooling, and the storage position and the storage library can be transferred by AGV trolley. This also puts higher requirements on the storage position, which requires the storage position not only to meet the switching of tooling, but also to serve as a transfer location that can be connected to the AGV trolley. The AGV trolley transfers the tooling to the storage library for storage in a timely manner, avoiding delays in switching different tooling required for repair welding on the work position. SUMMARY

[0004] The utility model provides a kind of with AGV trolley docking transfer's position and tool switching system in view of the deficiency existing in prior art.

[0005] The technical solution of the utility model to solve the above technical problem is as follows: a kind of with AGV trolley docking transfer's position, including support frame and positioning mechanism, the support frame is U-shaped structure, the opening end of the support frame is provided with the opening for the AGV trolley to come and go, the support frame is equipped with the containing space for containing AGV trolley, the positioning mechanism is used to position the tooling located on the support frame.

[0006] The utility model discloses beneficial effect is, tool can shift to the temporary storage on the position, when the position can bear the tool limit, AGV dolly can enter the containing space in this position through the open mouth, realize the butt joint of AGV dolly and position, and can transport the tool on position through AGV dolly, and the tool on the work position can shift to the placement on the position, realize the switching of the required tool on the work position, the position still sets the positioning mechanism, can position the tool through the positioning mechanism when the tool shifts to the position, increase the in -place accuracy of tool, thereby guarantee that AGV dolly can more accurately butt joint transport tool.

[0007] On the basis of the above technical scheme, the utility model still can make following improvement.

[0008] Further, the positioning mechanism includes at least one first positioning mechanism and at least one second positioning mechanism, the first positioning mechanism is used for positioning one end of the tool, and the second positioning mechanism is used for positioning the other end of the tool.

[0009] The beneficial effect of the above further scheme is that when the tool is switched and moved to the position, the positioning mechanism at the input end is reset, such as the first positioning mechanism, to avoid affecting the movement of the tool, and the positioning mechanism away from the input end acts, such as the second positioning mechanism, to limit and position one end of the tool moved to the position, and after the tool is in place on the position, the moving mechanism is withdrawn, the first positioning mechanism acts to limit and position the other end of the tool, ensuring the positioning of the tool on the position, so as to facilitate the butt joint and transport of the AGV dolly.

[0010] Further, the first positioning mechanism includes one or more first positioning members, a horizontal drive cylinder for driving the first positioning members to move horizontally, and a lifting drive cylinder for driving the first positioning members to move up and down, one or more first positioning members are connected to the driving end of the lifting drive cylinder, the cylinder body of the lifting drive cylinder is connected to the driving end of the horizontal drive cylinder, and the horizontal drive cylinder is arranged on the support frame.

[0011] The beneficial effect of the above further scheme is that the lifting drive cylinder is reset to avoid interfering with the entry of the tool, the tool enters the position, after the tool is in place and the moving mechanism is withdrawn, the piston rod of the lifting drive cylinder extends, the first positioning member moves upward, the horizontal drive cylinder acts, and the first positioning member moves horizontally to act on the tool, thereby achieving positioning of one end of the tool. The positioning mechanism has a simple structure and does not hinder the entry of the tool, and can also position the tool to ensure accurate positioning of the tool on the position.

[0012] Further, a height limiting mechanism is further included, the height limiting mechanism includes a height limiting block, the first positioning member is connected with the driving end of the lifting driving cylinder through a positioning frame, the cylinder body of the lifting driving cylinder is connected with the driving end of the horizontal driving cylinder through a connecting plate, the height limiting block is arranged on the connecting plate through a limiting support, and the height limiting block can act on the positioning frame to limit the lifting height of the first positioning member.

[0013] The beneficial effect of the above further scheme is that the lifting height of the first positioning member is limited, so that the first positioning member can be stopped at a predetermined position after being lifted, thereby ensuring that the first positioning member can act on the tool after being lifted and ensuring the positioning accuracy of the first positioning member on the tool.

[0014] Further, a horizontal limiting mechanism is further included, the horizontal limiting mechanism includes a horizontal limiting block, the horizontal driving cylinder is connected with the support frame through a connecting support, and the horizontal limiting block is arranged on the cylinder body of the horizontal driving cylinder or the connecting support to limit the reset position of the first positioning member.

[0015] The beneficial effect of the above further scheme is that the horizontal reset position of the first positioning member is limited, so that the first positioning member can be reset at a predetermined position, thereby ensuring the accuracy of the horizontal reset position of the first positioning member.

[0016] Further, the second positioning mechanism includes a support, a turning plate arranged on the support, one or more second positioning members arranged on the turning plate, and a turning driving cylinder for driving the turning plate to turn, the support is connected with the support frame, and the driving end of the turning driving cylinder is connected with the turning plate to drive the second positioning member to turn towards the tool to act on the tool or to turn away from the tool.

[0017] The beneficial effect of the above further scheme is that the second positioning mechanism is arranged at the open end of the support frame, so that accurate positioning of the open end side of the tool can be realized, the turning cylinder is actuated, the second positioning member can turn towards the tool to act on the tool, the positioning accuracy of the tool is improved, after positioning, the AGV car lifts the tool, the turning cylinder is reset, the second positioning member turns away from the tool, and the AGV car can transport the tool out and to the storage library for storage.

[0018] Further, the positioning mechanism further includes a lateral positioning mechanism acting on the side of the tool, and the lateral positioning mechanism is arranged on one side or both sides of the support frame.

[0019] The beneficial effect of the further scheme is that the positioning of the tooling is not only affected by the first positioning mechanism and the second positioning mechanism at both ends of the tooling, but also by the lateral positioning of the side of the tooling.

[0020] Further, the lateral positioning mechanism comprises one or more side positioning members and a lateral driving cylinder for driving the side positioning members to move horizontally, the cylinder body of the lateral driving cylinder is arranged on the support frame, and the driving end of the lateral driving cylinder is connected with the one or more side positioning members through a lateral support.

[0021] The beneficial effect of the further scheme is that the side positioning members can act on the side of the tooling to position the tooling under the action of the lateral driving cylinder, and the side positioning members are away from the tooling when the lateral driving cylinder is reset; the side positioning members can be one or more, and the side positioning members can act on the side of the tooling under the action of the lateral driving cylinder, thereby further ensuring the accuracy of the position of the tooling in the storage location.

[0022] The utility model also relates to a kind of tooling switching system, including sliding platform track and transfer car, further including the storage location as described above and connected with AGV trolley, the sliding platform track is equipped with working position and exchange position, the transfer car can carry tooling and walk between the working position and exchange position, the exchange position is also equipped with buffer position on both sides, the buffer position and exchange position are perpendicular to the sliding platform track, the storage location is arranged on the buffer position, the opening of the storage location is located away from the exchange position side, further including for the tooling on the exchange position and buffer position is transferred transplanting mechanism.

[0023] The beneficial effect of the utility model is that the tooling on the working position is positioned workpiece, realizes the repair welding operation of workpiece on working position, when replacing different vehicle type workpiece, tooling needs to be replaced, transfer car walks to working position on sliding platform track and moves to exchange position with tooling, transplanting mechanism can carry tooling and move to the storage location on the buffer position on one side, in order to subsequent switching of multiple vehicle type tooling, the tooling replaced can be moved to working position for corresponding workpiece repair welding operation by the buffer position on the other side and under the action of transplanting mechanism and transfer car, the tooling replaced can be transferred to storage by the connection of storage location and AGV trolley and moved to storage library for storage.The utility model has the advantages of simple structure, convenient operation, accurate tooling positioning, convenient and fast switching, convenient switching of different vehicle type workpiece tooling, and also can transfer redundant tooling to store by AGV trolley, and can be widely applied to flexible repair welding operation of multiple vehicle types.

[0024] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0025] Further, the transplanting mechanism is arranged on the transfer trolley, the transplanting mechanism comprises a transplanting platform, a transplanting positioning pin arranged on the transplanting platform and a transplanting driving cylinder for driving the transplanting positioning pin to move up and down, the transplanting positioning pin is matched with the transplanting positioning hole of the tooling, and the transplanting platform can move horizontally under the action of a platform driving mechanism.

[0026] The beneficial effect of the above further scheme is that the transplanting mechanism can realize the transplanting of the tooling on the exchange position and the buffer position, for example, when the tooling is on the exchange position and needs to be moved to the buffer position, the second positioning mechanism and the lateral positioning mechanism can act to limit the open side end and the side of the tooling about to enter the tooling position, the transplanting positioning pin of the transplanting mechanism is raised and inserted into the corresponding transplanting positioning hole of the tooling, the platform driving mechanism acts, the transplanting platform carries the tooling and moves from the exchange position to the buffer position, the transplanting positioning pin is reset, the transplanting platform is retreated under the action of the platform driving mechanism, then the first positioning mechanism of the positioning mechanism acts on the other end of the tooling, the tooling is accurately moved to the tooling position of the buffer position, then the AGV trolley can run to the buffer position, enter the containing space of the support frame through the opening, the AGV trolley jacks up the tooling, the positioning mechanism is reset, and the AGV trolley can transport the tooling to the storage library.

[0027] Further, the transfer trolley comprises a trolley frame, a transfer positioning pin arranged on the trolley frame and a transfer driving cylinder for driving the transfer positioning pin to move up and down, the transfer positioning pin is matched with the transfer positioning hole on the tooling, and the trolley frame can move horizontally on the sliding rail under the action of a transfer driving mechanism.

[0028] The beneficial effect of the above further scheme is that the transfer trolley can realize the transfer of the tooling on the working position and the exchange position, for example, when the workpiece of different vehicle models needs to be replaced, the transfer trolley can be used to transfer the original tooling from the working position to the exchange position, specifically, the transfer positioning pin is raised and inserted into the corresponding transfer positioning hole on the tooling under the action of the transfer driving cylinder, the transfer driving mechanism acts, and the trolley frame walks along the sliding rail to carry the original tooling to the exchange position, then the original tooling is transplanted to the buffer position on one side by the transplanting mechanism, and the original tooling can be stored in the storage library by the butt joint of the AGV trolley; the required tooling can be transported to the tooling position of the buffer position on the other side by the AGV trolley, the required tooling is transplanted to the exchange position by the transplanting mechanism, then the required tooling is transferred to the working position by the transfer trolley, and the workpiece can be positioned on the corresponding working position for repair welding. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the tooling position of the utility model;

[0030] Figure 2The utility model discloses a structure schematic drawing of the support frame of the warehouse position.

[0031] Figure 3 The utility model discloses a structure schematic drawing of the second positioning mechanism.

[0032] Figure 4 The utility model discloses a structure schematic drawing of the second positioning mechanism from another angle.

[0033] Figure 5 The utility model discloses a structure schematic drawing of the first positioning mechanism.

[0034] Figure 6 The utility model discloses a structure schematic drawing of the lateral positioning mechanism.

[0035] Figure 7 The utility model discloses a structure schematic drawing of the lateral positioning mechanism from another angle.

[0036] Figure 8 The utility model discloses a structure schematic drawing of the tool switching system.

[0037] Figure 9 The utility model discloses a structure schematic drawing of the transplanting mechanism and the transfer trolley of the tool switching system.

[0038] In the drawing, 1, warehouse position;11, support frame;111, open mouth;112, containing space;12, first positioning mechanism;121, first positioning piece;122, horizontal drive cylinder;123, lifting drive cylinder;124, positioning frame;125, connecting plate;126, height limit block;127, limit support;128, horizontal limit block;129, connecting support;13, second positioning mechanism;131, support;132, flap;133, second positioning piece;134, turnover drive cylinder;135, first connecting rod;136, second connecting rod;137, third connecting rod;14, lateral positioning mechanism;141, side positioning piece;142, lateral drive cylinder;143, lateral support;15, universal ball;2, transfer trolley;21, trolley frame;22, transfer positioning pin;23, transfer drive cylinder;24, transfer motor;25, transfer rack;3, sliding table track;4, transplanting mechanism;41, transplanting platform;42, transplanting positioning pin;43, transplanting drive cylinder;44, transplanting motor;45, transplanting gear;46, transplanting rack;5, work position;6, exchange position;7, buffer position;8, tool;9, AGV trolley. DETAILED DESCRIPTION

[0039] The principles and features of the utility model are described below in connection with examples, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0040] As Figures 1-9As shown, a storage location for docking and transferring with an AGV trolley includes a support frame 11 and a positioning mechanism, the support frame 11 is in a U-shaped structure, the opening end of the support frame 11 is provided with an opening 111 for the AGV trolley 9 to enter and exit, the support frame 11 is provided with a containing space 112 for containing the AGV trolley 9, and the positioning mechanism is used for positioning the tooling 8 located on the support frame 11.

[0041] The positioning mechanism includes at least one first positioning mechanism 12 and at least one second positioning mechanism 13, the first positioning mechanism 12 is used for positioning one end of the tooling 8, and the second positioning mechanism 13 is used for positioning the other end of the tooling 8. The first positioning mechanism 12 is arranged at the opposite end of the opening 111 end of the support frame 11; the second positioning mechanism 13 is arranged at the opening 111 end of the support frame 11; when the tooling 8 is transplanted and switched to the storage location 1, the positioning mechanism at the input end is reset, such as the first positioning mechanism 12, to avoid affecting the movement of the tooling 8, and the positioning mechanism away from the input end acts, such as the second positioning mechanism 13, which can act on one end of the tooling 8 transplanted to the storage location 1 to limit and position it, after the tooling 8 is in place on the storage location 1, the transplant exits, the first positioning mechanism 12 acts, limiting and positioning the other end of the tooling 8, ensuring the positioning of the tooling 8 on the storage location 1, so as to facilitate the docking and transferring of the AGV trolley 9.

[0042] The first positioning mechanism 12 includes one or more first positioning members 121, a horizontal drive cylinder 122 for driving the first positioning member 121 to move horizontally, and a lifting drive cylinder 123 for driving the first positioning member 121 to move up and down, one or more first positioning members 121 are connected with the driving end of the lifting drive cylinder 123, the cylinder body of the lifting drive cylinder 123 is connected with the driving end of the horizontal drive cylinder 122, and the horizontal drive cylinder 122 is arranged on the support frame 11. The lifting drive cylinder 123 is reset to avoid interfering with the entry of the tooling 8, the tooling 8 enters the storage location 1, after the tooling 8 is in place and the transplant exits, the piston rod of the lifting drive cylinder 123 extends, the first positioning member 121 moves upward, the horizontal drive cylinder 122 acts, and the first positioning member 121 acts horizontally on the tooling 8, which can realize the positioning of one end of the tooling 8. The positioning mechanism has a simple structure and does not hinder the entry of the tooling 8, and can also position the tooling 8 to ensure accurate positioning of the tooling 8 on the storage location 1.

[0043] Further comprising a height limiting mechanism, the height limiting mechanism comprises a height limiting block 126, the first positioning member 121 is connected with the driving end of the lifting driving cylinder 123 through a positioning bracket 124, the cylinder body of the lifting driving cylinder 123 is connected with the driving end of the horizontal driving cylinder 122 through a connecting plate 125, the height limiting block 126 is arranged on the connecting plate 125 through a limiting support 127, the height limiting block 126 can act on the positioning bracket 124 to limit the lifting height of the first positioning member 121. The lifting height of the first positioning member 121 is limited, so that the first positioning member 121 can stop at a predetermined position after being lifted, to ensure that the first positioning member 121 can act on the tooling 8 after being lifted, and to ensure the accuracy of the positioning position of the first positioning member 121 on the tooling 8.

[0044] Further comprising a horizontal limiting mechanism, the horizontal limiting mechanism comprises a horizontal limiting block 128, the horizontal driving cylinder 122 is connected with the support frame 11 through a connecting support 129, the horizontal limiting block 128 is arranged on the cylinder body of the horizontal driving cylinder 122 or the connecting support 129 to limit the reset position of the first positioning member 121. The horizontal reset position of the first positioning member 121 is limited, so that the first positioning member 121 can reset at a predetermined position, to ensure the accuracy of the horizontal reset position of the first positioning member 121.

[0045] The second positioning mechanism 13 comprises a support 131, a turning plate 132 arranged on the support 131, one or more second positioning members 133 arranged on the turning plate 132, and a turning driving cylinder 134 for driving the turning action of the turning plate 132, the support 131 is connected with the support frame 11, the driving end of the turning driving cylinder 134 is connected with the turning plate 132 to drive the second positioning member 133 to turn towards the tooling 8 to act on the tooling 8 or to turn away from the tooling 8. The second positioning mechanism 13 is arranged at the open end 111 of the support frame 11, and can realize accurate positioning of the opposite side of the open end 111 of the tooling 8. The turning cylinder acts, the second positioning member 133 can turn towards the tooling 8 to act on the tooling 8, to improve the positioning accuracy of the tooling 8. After positioning, the AGV car 9 lifts the tooling 8, the turning cylinder resets, the second positioning member 133 turns outward to move away from the tooling 8, and the AGV car 9 can transport the tooling 8 out and to the storage library for storage.

[0046] The driving end of the turnover driving cylinder 134 is connected with the turnover plate 132 through a connecting rod mechanism, which comprises a first connecting rod 135, a second connecting rod 136 and a third connecting rod 137. The middle part of the first connecting rod 135 is hinged with the support 131, one end of the first connecting rod 135 is hinged with the driving end of the turnover driving cylinder 134, the other end is hinged with one end of the second connecting rod 136, the other end of the second connecting rod 136 is hinged with the middle part of the third connecting rod 137, one end of the third connecting rod 137 is connected with the turnover plate 132, and the other end of the third connecting rod 137 is hinged with the support 131. When laterally positioning, the first connecting rod 135 and the second connecting rod 136 are in a straight line state, which can play a self-locking role, ensuring the stability of lateral positioning.

[0047] The positioning mechanism further comprises a lateral positioning mechanism 14 acting on the side of the tooling 8, which is arranged on one side or both sides of the support frame 11. The positioning of the tooling 8 not only has the first positioning mechanism 12 and the second positioning mechanism 13 acting on both ends of the tooling 8, but also increases the lateral positioning of the side of the tooling 8. When the tooling 8 enters, the lateral positioning mechanism 14 can act to limit the tooling 8 about to enter the storage location 1 in cooperation with the second positioning mechanism 13, further ensuring the positioning accuracy of the tooling 8 on the storage location 1, facilitating accurate docking and transportation of the AGV 9.

[0048] The lateral positioning mechanism 14 comprises one or more side positioning members 141 and a lateral driving cylinder 142 for driving the side positioning members 141 to move horizontally. The cylinder body of the lateral driving cylinder 142 is arranged on the support frame 11, and the driving end of the lateral driving cylinder 142 is connected with the one or more side positioning members 141 through a lateral support 143. The side positioning members 141 can act on the side of the tooling 8 to position it under the action of the lateral driving cylinder 142, and the side positioning members 141 move away from the tooling 8 when the lateral driving cylinder 142 resets. The side positioning members 141 can be one or more. Under the action of the lateral driving cylinder 142, the side positioning members 141 can act on the side of the tooling 8, further ensuring the accuracy of the position of the tooling 8 on the storage location 1.

[0049] A plurality of universal balls 15 are arranged on the support surface of the support frame 11. The tooling 8 and the support frame 11 are in rolling friction, which is small, wear-resistant, has small wear on the support frame 11 and the tooling 8, has small noise, and is more convenient for positioning and adjustment of the tooling 8 on the support frame 11.

[0050] The utility model still relates to a kind of tool switching system, including sliding platform track 3 and transfer car 2, still including the storage location 1 as described above and AGV trolley docking transfer, the sliding platform track 3 is equipped with work position 5 and exchange position 6, the transfer car 2 can carry tool 8 and walk between work position 5 and exchange position 6, exchange position 6's both sides are also equipped with buffer position 7, the buffer position 7 and exchange position 6 are in straight line perpendicular to the sliding platform track 3, the storage location 1 is arranged on the buffer position 7, the open mouth 111 of the storage location 1 is located away from the exchange position 6 side, still include for the tool 8 of exchange position 6 and buffer position 7 transfer transplanting mechanism 4.

[0051] The transplanting mechanism 4 is arranged on the transfer car 2, and the transplanting mechanism 4 includes a transplanting platform 41, a transplanting positioning pin 42 arranged on the transplanting platform 41, and a transplanting driving cylinder 43 for driving the transplanting positioning pin 42 to move up and down, the transplanting positioning pin 42 is matched with a transplanting positioning hole of the tool 8, and the transplanting platform 41 can move horizontally under the action of a platform driving mechanism. The transplanting mechanism 4 realizes transplanting and transferring of the tool 8 on the exchange position 6 and the buffer position 7. When the tool 8 is on the exchange position 6 and needs to be moved to the buffer position 7, a positioning mechanism of the storage location 1, such as a second positioning mechanism and a lateral positioning mechanism 14, can act to limit the side end and the side of the open mouth 111 of the tool 8 about to enter the storage location 1, the transplanting positioning pin 42 of the transplanting mechanism 4 is raised and inserted into a corresponding transplanting positioning hole of the tool 8, the platform driving mechanism acts, the transplanting platform 41 carries the tool 8 and moves the tool 8 from the exchange position 6 to the buffer position 7, the transplanting positioning pin 42 is reset, the transplanting platform 41 is withdrawn under the action of the platform driving mechanism, then a first positioning mechanism 12 of the positioning mechanism acts on the other end of the tool 8, the tool 8 is accurately moved to the storage location 1 on the buffer position 7, then the AGV trolley 9 can run to the buffer position 7, enter the containing space 112 of the support frame 11 through the open mouth 111, the AGV trolley 9 lifts the tool 8, the positioning mechanism is reset, and the AGV trolley 9 can transfer the tool 8 to the storage location 1 and transport the tool 8 to a storage warehouse.

[0052] The platform driving mechanism includes a transplanting motor 44, a transplanting gear 45 and a transplanting rack 46 engaged with the transplanting gear 45, the transplanting rack 46 is arranged at the bottom of the transplanting platform 41, the transplanting motor 44 is arranged on the transfer car 2, and the transplanting gear 45 is connected with the output shaft of the transplanting motor 44. The transplanting platform 41 is driven by a motor-driven gear and rack, which not only meets the transmission efficiency requirement, but also ensures smooth operation of the transplanting platform 41 and avoids interference with the transfer of the tool 8.

[0053] The transfer trolley 2 comprises a trolley frame 21, a transfer positioning pin 22 arranged on the trolley frame 21 and a transfer driving cylinder 23 for driving the transfer positioning pin 22 to move up and down, the transfer positioning pin 22 is matched with the transfer positioning hole on the tooling 8, and the trolley frame 21 can move horizontally on the slide rail 3 under the action of the transfer driving mechanism. The transfer trolley 2 can realize the transfer of the tooling 8 on the working position 5 and the exchange position 6. When different workpieces of different vehicle models need to be replaced, the original tooling 8 can be transferred from the working position 5 to the exchange position 6 by the transfer trolley 2. Specifically, the transfer positioning pin 22 is lifted and inserted into the corresponding transfer positioning hole on the tooling 8 under the action of the transfer driving cylinder 23, the transfer driving mechanism is actuated, and the trolley frame 21 moves along the slide rail 3, so that the original tooling 8 can be moved to the exchange position 6. Then, the original tooling 8 is transplanted to the buffer position 7 on one side by the transplanting mechanism 4, and can be stored in the storage library by the AGV trolley 9. The required tooling 8 can be transported to the storage position 1 of the buffer position 7 on the other side by the AGV trolley 9, and then the required tooling 8 is transplanted to the exchange position 6 by the transplanting mechanism 4, and then the required tooling 8 is transferred to the working position 5 by the transfer trolley 2. The workpiece can be positioned on the corresponding working position for repair welding.

[0054] The transfer driving mechanism comprises a transfer motor 24, a transfer gear and a transfer rack 25 engaged with the transfer gear. The transfer rack 25 is arranged on the slide rail 3, the transfer motor 24 is arranged on the trolley frame 21, and the transfer gear is connected with the output shaft of the transfer motor 24. The movement of the trolley frame 21 on the slide rail 3 is realized by the transfer driving mechanism. Specifically, the transfer motor 24 is actuated, the transfer gear rotates, the transfer rack 25 is engaged with the transfer gear, and the transfer rack 25 is arranged along the length direction of the slide rail 3, so as to realize the purpose of moving the trolley frame 21 along the slide rail 3. The rack and pinion transmission is adopted, the trolley frame 21 runs stably, and the placement of the tooling 8 on the trolley frame 21 is not affected.

[0055] The first positioning member 121 adopts a guide wheel which is rotatably arranged on the positioning frame 124. The second positioning member 133 adopts a guide wheel which is rotatably arranged on the turning plate 132. The side positioning member 141 adopts a side guide wheel which is rotatably arranged on the side support 143. The positioning member adopts a guide wheel, which can position the tooling 8 and also play a guiding and limiting role to reduce friction when the tooling 8 moves horizontally and / or vertically. The support frame 11 has a U-shaped structure. The support frame 11 reserves an opening 111 for the AGV trolley 9 to enter and exit and reserves sufficient accommodation space 112 for the body of the AGV trolley 9 to enter the buffer position 7. An AGV trolley 9 with a docking positioning pin can also be selected. When the AGV trolley 9 is in place and is lifted, the docking positioning pin can be inserted into the docking positioning hole of the tooling 8, so that the positioning is more accurate, and the safety of the AGV trolley 9 during transportation is higher.

[0056] When the tooling 8 is transported to the storage warehouse from the warehouse position 1, the replaced tooling 8 is transferred to the exchange position 6 under the action of the transfer trolley 2, the tooling 8 is positioned at the exchange position 6, the lateral positioning mechanism 14 and the second positioning mechanism 13 are actuated, the transplanting mechanism 4 carries the tooling 8 to the warehouse position 1 of the buffer position 7, the transplanting mechanism 4 is retracted, the first positioning mechanism 12 is actuated on the inner end of the tooling 8, at this time, the tooling 8 is accurately positioned by the first positioning mechanism 12, the second positioning mechanism 13 and the lateral positioning mechanism 14; the AGV trolley 9 runs to the position of the tooling 8 in the warehouse position 1, the AGV trolley 9 lifts the tooling 8, the positioning mechanisms are reset, the guide wheels are all opened, and the AGV trolley 9 carries the tooling 8 to the storage warehouse. When the tooling 8 is transported from the storage warehouse to the warehouse position 1, if the required tooling 8 needs to be transported to the working position 5 for the corresponding workpiece repair welding operation, the AGV trolley 9 carries the tooling 8 from the storage warehouse to the warehouse position 1, the AGV trolley 9 enters the containing space 112 of the support frame 11 from the opening 111, the AGV trolley 9 is lowered, the tooling 8 falls on the support frame 11, the AGV trolley 9 exits, the first positioning mechanism 12, the second positioning mechanism 13 and the lateral positioning mechanism 14 are actuated, at this time, the tooling 8 is accurately positioned, the transplanting mechanism 4 extends into the warehouse position 1, the transplanting positioning pin 42 on the transplanting mechanism 4 extends and is inserted into the transplanting positioning hole of the tooling 8 to position the tooling 8, the first positioning mechanism 12 is reset, the transplanting mechanism 4 carries the tooling 8 to the exchange position 6, the transfer trolley 2 can transfer the required tooling 8 to the working position 5, and the workpiece can be welded after being positioned by the tooling 8. The tooling 8 is accurately positioned on the warehouse position 1, the tooling 8 is conveniently and quickly switched at each position, the switching of the tooling 8 of different workpieces of different vehicle types is facilitated, the excess tooling 8 can be transferred and stored by the AGV trolley 9, and the tooling 8 can be widely applied to the repair welding operation of flexible multi-vehicle types.

[0057] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A storage location for docking and transporting with an AGV, characterized in that: The invention comprises a support frame (11) and a positioning mechanism, wherein the support frame (11) is a U-shaped structure, an opening (111) is provided at an open end of the support frame (11) for an AGV trolley (9) to enter and exit, an accommodating space (112) for accommodating the AGV trolley (9) is provided inside the support frame (11), and the positioning mechanism is used to position a tooling (8) located on the support frame (11).

2. The storage location for docking and transporting with the AGV trolley according to claim 1 is characterized in that: The positioning mechanism comprises at least one first positioning mechanism (12) and at least one second positioning mechanism (13), wherein the first positioning mechanism (12) is used to position one end of the tooling (8), and the second positioning mechanism (13) is used to position the other end of the tooling (8).

3. The storage location for docking and transporting with the AGV trolley according to claim 2 is characterized in that: The first positioning mechanism (12) includes one or more first positioning members (121), a horizontal driving cylinder (122) for driving the first positioning member (121) to move horizontally, and a lifting driving cylinder (123) for driving the first positioning member (121) to move up and down. The one or more first positioning members (121) are connected to the driving end of the lifting driving cylinder (123), the cylinder body of the lifting driving cylinder (123) is connected to the driving end of the horizontal driving cylinder (122), and the horizontal driving cylinder (122) is arranged on the support frame (11).

4. The storage location for docking and transporting with the AGV trolley according to claim 3 is characterized in that: It also includes a height limiting mechanism, the height limiting mechanism includes a height limiting block (126), the first positioning member (121) is connected to the driving end of the lifting drive cylinder (123) through a positioning frame (124), the cylinder body of the lifting drive cylinder (123) is connected to the driving end of the horizontal drive cylinder (122) through a connecting plate (125), the height limiting block (126) is on the connecting plate (125) through a limiting bracket (127), and the height limiting can act on the positioning frame (124) to limit the height of the first positioning member (121); And / or further includes a horizontal limiting mechanism, the horizontal limiting mechanism including a horizontal limiting block (128), the horizontal driving cylinder (122) is connected to the support frame (11) via a connecting bracket (129), and the horizontal limiting block (128) is arranged on the cylinder body of the horizontal driving cylinder (122) or on the connecting bracket (129) for limiting the reset position of the first positioning member (121).

5. The storage location for docking and transporting with the AGV trolley according to claim 2 is characterized in that: The second positioning mechanism (13) comprises a support (131), a flap (132) arranged on the support (131), one or more second positioning members (133) arranged on the flap (132), and a flip drive cylinder (134) for driving the flip (132) to flip, wherein the support (131) is connected to the support frame (11), and the driving end of the flip drive cylinder (134) is connected to the flap (132) for driving the second positioning member (133) to flip toward the tooling (8) to position the tooling (8) or flip away from the tooling (8).

6. The storage location for docking and transporting with an AGV according to any one of claims 1 to 5, characterized in that: The positioning mechanism further comprises a lateral positioning mechanism (14) acting on the side of the tooling (8), and the lateral positioning mechanism (14) is arranged on one side or both sides of the support frame (11).

7. The storage location for docking and transporting with the AGV according to claim 6 is characterized in that: The lateral positioning mechanism (14) comprises one or more lateral positioning members (141) and a lateral drive cylinder (142) for driving the lateral positioning members (141) to move horizontally. The cylinder body of the lateral drive cylinder (142) is arranged on the support frame (11), and the drive end of the lateral drive cylinder (142) is connected to the one or more lateral positioning members (141) through a lateral bracket (143).

8. A tool switching system, comprising a slide rail (3) and a transfer vehicle (2), characterized in that: It also includes a storage position (1) for docking and transferring with an AGV trolley as described in any one of claims 1 to 7, a working position (5) and an exchange position (6) are provided on the slide track (3), the transfer vehicle (2) can carry tooling (8) and walk between the working position (5) and the exchange position (6), and cache positions (7) are provided on both sides of the exchange position (6), the straight line where the cache position (7) and the exchange position (6) are located is perpendicular to the slide track (3), the storage position (1) is set on the cache position (7), the opening (111) of the storage position (1) is located away from the exchange position (6), and it also includes a transfer mechanism (4) for transferring the tooling (8) on the exchange position (6) and the cache position (7).

9. The tool switching system according to claim 8, characterized in that: The transplanting mechanism (4) is arranged on the transfer vehicle (2), and comprises a transplanting platform (41), a transplanting positioning pin (42) arranged on the transplanting platform (41), and a transplanting drive cylinder (43) for driving the transplanting positioning pin (42) to move up and down. The transplanting positioning pin (42) is adapted to the transplanting positioning hole of the tooling (8), and the transplanting platform (41) can move in the horizontal direction under the action of the platform drive mechanism.

10. The tool switching system according to claim 8, characterized in that: The transfer vehicle (2) comprises a vehicle frame (21), a transfer positioning pin (22) arranged on the vehicle frame (21), and a transfer drive cylinder (23) for driving the transfer positioning pin (22) to move up and down. The transfer positioning pin (22) is adapted to the transfer positioning hole on the tooling (8). The vehicle frame (21) can move horizontally on the slide rail (3) under the action of the transfer drive mechanism.

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