Switching system for part positioning and switching method thereof

Abstract

The invention relates to the technical field of part positioning, in particular to a switching system for part positioning and a switching method thereof, and the system comprises a flexible positioning skid and a switching table device; the flexible positioning skid comprises a rolling base, the rolling base is provided with a plurality of flexible guiding and positioning devices, and the flexible positioning skid further comprises a clamping part, a positioning assembly, a pneumatic locking piece, an air receiving part and a first butt joint mechanism. The switching table device comprises a guide rail piece, the guide rail piece is provided with a plurality of displacement switching devices, and the switching table device further comprises a clamping mechanism, a ventilation mechanism and a second butt joint mechanism; the switching system further comprises an in-place detection assembly in communication connection with the control device. The method comprises the steps that the rolling base is in butt joint with the guide rail piece; the displacement switching device moves, coarse positioning and fine positioning are conducted through the in-place detection assembly, the clamping mechanism and the clamping part conduct clamping, and the pneumatic locking piece is unlocked; the clamping mechanism drives the positioning assembly to achieve position switching. The part positioning and conveying efficiency can be improved.

Description

Technical Field

[0001] This invention relates to the technical field of part positioning, and more specifically, to a switching system and switching method for part positioning. Background Technology

[0002] With the increasing demand for personalized automobiles and the growing number of models produced on the same production line, positioning skids used for positioning and conveying automotive parts utilize flexible positioning mechanisms to allow multiple models to share the same positioning ends. Currently, the position changes of the positioning ends on the positioning skids in the workshop are mostly achieved by setting up switching mechanisms. Since the positioning skid has multiple positioning ends, to improve switching efficiency, corresponding switching mechanisms are set up at each positioning end. Switching is performed by docking the switching mechanisms with the positioning ends one by one. However, when docking the switching mechanisms with the positioning ends, it is easy for one or more switching mechanisms to fail to dock properly, causing the corresponding positioning end to fail to complete the position switch, thus affecting the efficiency of parts positioning and conveying. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the low efficiency of part positioning and conveying in the prior art, and to provide a switching system and switching method for part positioning, which can improve docking accuracy and docking efficiency, thereby improving the efficiency of part positioning and conveying.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: A switching system for part positioning is provided, including a flexible positioning skid and a switching table device. The flexible positioning skid includes a roller base, which is provided with multiple flexible guiding positioning devices. Each flexible guiding positioning device has a clamping part and a positioning component at its guide end, and each flexible guiding positioning device has a pneumatic locking element at its guide end. The roller base also has an air-contacting part communicating with the pneumatic locking element. The roller base has a first docking mechanism. The switching table device includes a guide rail, which is provided with multiple displacement switching devices corresponding one-to-one with the multiple flexible guiding positioning devices. The displacement switching devices... The end is provided with a clamping mechanism corresponding to the clamping part; the guide rail is provided with a ventilation mechanism corresponding to the air receiving part; the guide rail is also provided with a second docking mechanism for alignment with the first docking mechanism; the switching system also includes a control device, and the flexible guiding positioning device, displacement switching device, clamping mechanism, ventilation mechanism, and second docking mechanism are all communicatively connected to the control device; the switching system also includes a position detection component communicatively connected to the control device, and the position detection component includes a sensor and a detection component respectively provided on the guide end of the flexible guiding positioning device and the displacement end of the displacement switching device.

[0005] The present invention also provides a switching method applied to the above-mentioned switching system, comprising the following steps: S1. The roller base of the flexible positioning skid slides along the guide rail of the switching table device and is rolled and limited by the roller limiting block of the first docking mechanism and the rolling guide component of the second docking mechanism; the control device drives the first rotating mechanism of the second docking mechanism, and the first clamp of the second docking mechanism clamps the limiting roller of the first docking mechanism. S2. After the docking between the roller base and the guide rail is completed, the control device drives the displacement switching device to move the clamping mechanism at the end of its displacement towards the position of the corresponding clamping part. During the movement, the position sensors at each displacement end of the displacement switching device and the corresponding sensing strips at each guide end of the guide positioning device perform coarse positioning by sliding. After coarse positioning, fine positioning is achieved by contact sensing between the limit switches at each displacement end of the displacement switching device and the corresponding limit blocks at each guide end of the guide positioning device. After fine positioning, the control device controls the clamping mechanism to clamp the clamping part. S3. After clamping is completed, the control device controls the air supply end of the air supply mechanism to contact and align with the air receiving part; then, the control device controls the air supply mechanism to supply air to the air receiving part, and the pneumatic locking member is in the unlocked state. S4. The control device drives the displacement switching device according to the target positioning coordinates, and the clamping mechanism drives the corresponding clamping part and positioning component to move, thereby realizing the coordinate position switching of the positioning component; after the position switching is completed, the control device controls the ventilation mechanism to stop ventilation, and the pneumatic locking component is in the locked state.

[0006] Compared with the prior art, the beneficial effects of the present invention are: This invention discloses a switching system and method for part positioning. A roller base enters along a guide rail and docks with a second docking mechanism via a first docking mechanism, achieving docking between a flexible positioning skid and a switching table device. A clamping mechanism at the displacement end of the displacement switching device clamps with a clamping part at the guide end of the flexible guiding positioning device. During clamping, positioning is detected by sensors and detectors, improving docking accuracy and efficiency. Next, a ventilation mechanism supplies air to a pneumatic locking component via an air inlet, unlocking the pneumatic locking component and making the positioning assembly on the flexible guiding positioning device movable. Then, the displacement switching device drives the clamping mechanism to move, causing displacement of the clamping part and the positioning assembly, thus changing the position coordinates of the positioning assembly. This system is suitable for positioning and conveying multiple vehicle models. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of a switching system for part positioning according to the present invention; Figure 2 This is a partial structural schematic diagram of a switching system for part positioning according to the present invention; Figure 3 for Figure 2 Enlarged schematic diagram of section I; Figure 4 This is a schematic diagram of the alignment of the roller base and guide rail components of the present invention. Figure 5 for Figure 5 An enlarged schematic diagram of section J in the middle; Figure 6 for Figure 5 An enlarged schematic diagram of section K in the middle; Figure 7 for Figure 5 Enlarged schematic diagram of section L in the middle; Figure 8 for Figure 5 An enlarged schematic diagram of section M in the middle; Figure 9 This is a schematic diagram of the structure of the roller base and flexible guide positioning device of the present invention; Figure 10 This is a schematic diagram of the structure of the roller base and the first docking mechanism of the present invention; Figure 11 for Figure 10 An enlarged schematic diagram of part N in the middle; Figure 12 This is a schematic diagram of the structure of the first three-axis guiding and positioning device of the present invention; Figure 13 This is a schematic diagram of the structure of the two-axis guide positioning support device of the present invention; Figure 14 This is a schematic diagram of the structure of the support positioning device of the present invention; Figure 15 This is a schematic diagram of the structure of the second three-axis guiding and positioning device of the present invention; Figure 16 This is a schematic diagram of the guide rail component and displacement switching device of the present invention; Figure 17 This is a schematic diagram of the guide rail component and the second docking mechanism of the present invention; Figure 18 for Figure 17 Enlarged schematic diagram of part P in the middle; Figure 19 for Figure 17 Enlarged schematic diagram of the Q section; Figure 20 This is a schematic diagram of the structure of the first triaxial displacement device of the present invention; Figure 21 for Figure 20 Enlarged schematic diagram of section R in the middle; Figure 22 This is a schematic diagram of the structure of the first triaxial displacement device of the present invention from another perspective; Figure 23 This is a schematic diagram of the structure of the biaxial displacement device and the flipping device of the present invention; Figure 24 This is a schematic diagram of the structure of the second triaxial displacement device of the present invention.

[0008] In the attached diagram: 100, Roller base; 110, Information code carrier; 111, First connecting frame; 120, First coupler; 121, Third connecting frame; 130, Roller; 200, Guide rail; 210, Information reader / writer; 211, Second connecting frame; 220, Second coupler; 221, Fourth connecting frame; 310, Pneumatic locking component; 320, Air inlet; 330, Ventilation mechanism; 331, Ventilation part; 332, Protective cover; 333, First flipping component; 334, First flipping seat; 335, First connecting seat; 410, Sensing component; 411, Sensing strip; 412, Limit block; 420, Detection component; 421, Position sensor; 422, Limit switch; 430, First position adjustment structure; 4 40. Second position adjustment structure; 441. Adjustment plate; 442. Adjustment frame; 401. Z-axis sensor; 402. Y-axis sensor; 403. X-axis sensor; 404. Z-axis detection element; 405. Y-axis detection element; 406. X-axis detection element; 510. Clamping part; 520. Clamping mechanism; 521. Second caliper; 522. Second rotation mechanism; 530. Clamping detection assembly; 540. Second connecting seat; 600. First docking mechanism; 610. Limiting roller; 611. Roller frame; 620. Rolling limit block; 621. Guide limit block; 700. Second docking mechanism; 710. First caliper; 711. First clamping part; 712. Second clamping part; 720. First rotation mechanism; 721. 721. Rotary cylinder; 722. Second rotary cylinder; 723. Third connecting seat; 724. Docking detection component; 730. Rolling guide component; 731. Lower roller; 732. Upper roller; 733. Side roller; 734. Lower roller frame; 735. Upper roller frame; 736. Side roller frame; 737. Fourth connecting seat; 800. Flexible guide positioning device; 810. First three-axis guide positioning device; 811. First hook assembly; 812. First Z-axis guide assembly; 813. First Y-axis guide assembly; 814. First X-axis guide assembly; 815. Fifth connecting seat; 820. Two-axis guide positioning support device; 821. Positioning support block; 822. Second Z-axis guide assembly; 823. Second X-axis guide assembly 830. Second three-axis guide and positioning device; 831. Second hook assembly; 832. Third Z-axis guide assembly; 833. Second Y-axis guide assembly; 834. Third X-axis guide assembly; 835. Sixth connecting seat; 840. Support and positioning device; 841. Third hook assembly; 842. Bracket; 843. Third position adjustment structure; 900. Displacement switching device; 910. First three-axis displacement device; 911. First Z-axis displacement assembly; 912. First Y-axis displacement assembly; 913. First X-axis displacement assembly; 914. Moving platform; 915. Second Y-axis displacement assembly; 916. Frame; 920. Two-axis displacement device; 921. Second Z-axis displacement assembly; 922. Second X-axis displacement assembly; 930. Second three-axis displacement device;931. Third Z-axis displacement assembly; 932. Third Y-axis displacement assembly; 933. Third X-axis displacement assembly; 940. Tilting device; 941. Eighth connecting seat; 942. Second tilting seat; 943. Second tilting cylinder; 944. Tilting position detection component. Detailed Implementation

[0009] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0010] In the accompanying drawings of the embodiments of the present invention, the same or similar reference numerals correspond to the same or similar components. In the description of the present invention, it should be understood that if terms such as "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present invention and simplifying the description, 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, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting the present patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0011] Example 1 like Figures 1 to 24The first embodiment of a switching system for part positioning according to the present invention is shown, including a flexible positioning skid and a switching table device. The flexible positioning skid includes a roller base 100, which is provided with multiple flexible guiding positioning devices 800. Each flexible guiding positioning device 800 has a clamping part 510 and a positioning component at its guide end. Each flexible guiding positioning device 800 has a pneumatic locking element 310 at its guide end. The roller base 100 also has an air-contacting part 320 communicating with the pneumatic locking element 310. The roller base 100 is provided with a first docking mechanism 600. The switching table device includes a guide rail 200, which is provided with multiple displacement switching devices 900 corresponding one-to-one with the multiple flexible guiding positioning devices 800. The displacement end of the switching device 900 is provided with a clamping mechanism 520 corresponding to the clamping part 510; the guide rail 200 is provided with a ventilation mechanism 330 corresponding to the air receiving part 320; the guide rail 200 is also provided with a second docking mechanism 700 for alignment with the first docking mechanism 600; the switching system also includes a control device, and the flexible guide positioning device 800, the displacement switching device 900, the clamping mechanism 520, the ventilation mechanism 330, and the second docking mechanism 700 are all communicatively connected to the control device; the switching system also includes a position detection component communicatively connected to the control device, the position detection component including a sensor 410 and a detection component 420 respectively provided on the guide end of the flexible guide positioning device 800 and the displacement end of the displacement switching device 900. Figure 10 , Figure 11 As shown, multiple rollers 130 are connected to both sides of the roller base 100, and the rollers 130 can be used to roll along the guide rail 200.

[0012] In this embodiment, the air inlet 320 is disposed at the roller base 100, which enables the connecting wires in the flexible guide positioning device 800 to be laid out relatively neatly, reducing the occurrence of connecting wire detachment and improving positioning switching efficiency. Furthermore, the flexible guide positioning device 800 does not have a displacement drive mechanism, and the coordinate position change of the positioning component on the flexible guide positioning device 800 is realized through the displacement switching device 900. This further reduces the wiring of the flexible guide positioning device 800, reduces the occurrence of connecting wire detachment on the flexible positioning skid, and also reduces the load on the flexible positioning skid, making it easier for the flexible positioning skid to transport parts.

[0013] like Figure 2 and Figure 3As shown, the sensing element 410 includes a sensing strip 411 and a limiting block 412 connected to the guide end of the flexible guiding and positioning device 800; the detection element 420 includes a position sensor 421 and a limit switch 422 connected to the displacement end of the displacement switching device 900; the extension direction of the sensing strip 411 is parallel to the displacement direction of its corresponding displacement end, and the sensing direction of the position sensor 421 is directed towards the sensing strip 411; the limiting direction of the limit switch 422 is parallel to the displacement direction of its displacement end, that is, the arrangement direction between the limit switch 422 and the limit block 412 is parallel to the displacement direction of its displacement end, and the limiting end of the limit block 412 is directed towards the limit switch 422.

[0014] like Figure 1 , Figure 9 , Figures 12 to 15 As shown, the multiple flexible guiding and positioning devices 800 include a first three-axis guiding and positioning device 810, a two-axis guiding and positioning support device 820, and a second three-axis guiding and positioning device 830 arranged sequentially along the rolling direction of the rolling base 100. Each of the three guiding devices 810, 820, and 830 has a clamping part 510 at its guide end. A pneumatic locking element 31 is connected to the guide end of each of the three guiding devices 810, 820, and 830 in each axial direction. 0. Sensing element 410; A support positioning device 840 is also connected to the roller base 100. The support positioning device 840 is located between the first three-axis guide positioning device 810 and the two-axis guide positioning support device 820. The positioning components at the guide ends of the first three-axis guide positioning device 810 and the second three-axis guide positioning device 830 respectively include a first hook assembly 811 and a second hook assembly 831; the positioning component at the guide end of the two-axis guide positioning support device 820 includes a positioning support block 821, and the support end of the support positioning device 840 is provided with a third hook assembly 841. It should be noted that the first hook assembly 811, the second hook assembly 831, and the third hook assembly 841 are all existing components.

[0015] In this embodiment, as Figure 12As shown, the first three-axis guiding and positioning device 810 includes a first Z-axis guiding assembly 812, a first Y-axis guiding assembly 813, a first X-axis guiding assembly 814, and a fifth connecting seat 815. The guide rail end of the first X-axis guiding assembly 814 is connected to the roller base 100, the slider end of the first X-axis guiding assembly 814 is connected to the guide rail end of the first Y-axis guiding assembly 813, the slider end of the first Y-axis guiding assembly 813 is connected to the guide rail end of the first Z-axis guiding assembly 812, and the slider end of the first Z-axis guiding assembly 812 is connected to the first hook assembly 811 via the fifth connecting seat 815. The clamping part 510 of the first three-axis guiding and positioning device 810 is connected to the fifth connecting seat 815. The X-axis axial direction is parallel to the guiding direction of the guide rail component 200. It should be noted that the first three-axis guiding and positioning device 810 does not have a displacement driving mechanism; the first three-axis guiding and positioning device 810 is driven by a corresponding displacement switching device 900. Furthermore, pneumatic locking components 310 are connected to the guide rail ends of the first Z-axis guide assembly 812, the first Y-axis guide assembly 813, and the first X-axis guide assembly 814; and sensing components 410 are connected to the slider ends of the first Z-axis guide assembly 812, the first Y-axis guide assembly 813, and the first X-axis guide assembly 814.

[0016] In this embodiment, as Figure 13 As shown, the two-axis guide positioning support device 820 includes a second Z-axis guide assembly 822, a second X-axis guide assembly 823, and a seventh connecting seat. The guide rail end of the second X-axis guide assembly 823 is connected to the roller base 100, and the slider end of the second X-axis guide assembly 823 is connected to the guide rail end of the second Z-axis guide assembly 822. The slider end of the second Z-axis guide assembly 822 is connected to the positioning support block 821 through the seventh connecting seat. The clamping part 510 of the two-axis guide positioning support device 820 is connected to the seventh connecting seat. Pneumatic locking elements 310 are connected to the guide rail ends of both the second Z-axis guide assembly 822 and the second X-axis guide assembly 823. Sensing elements 410 are connected to the slider ends of both the second Z-axis guide assembly 822 and the second X-axis guide assembly 823.

[0017] In this embodiment, as Figure 15As shown, the structure of the second three-axis guide positioning device 830 is similar to or the same as that of the first three-axis guide positioning device 810. The second three-axis guide positioning device 830 includes a third Z-axis guide assembly 832, a second Y-axis guide assembly 833, a third X-axis guide assembly 834, and a sixth connecting seat 835. The second hook assembly 831 is connected to the third Z-axis guide assembly 832 via the sixth connecting seat 835. The third Z-axis guide assembly 832 is connected to the third X-axis guide assembly 834 via the second Y-axis guide assembly 833. The third X-axis guide assembly 834 is connected to the roller base 100. The clamping part 510 of the second three-axis guide positioning device 830 is connected to the sixth connecting seat 835. Pneumatic locking elements 310 are connected to the guide rail ends of the third Z-axis guide assembly 832, the second Y-axis guide assembly 833, and the third X-axis guide assembly 834. Specifically, as shown... Figure 3 and Figure 15 As shown, the sensing element 410 connected to the slider end of the third Z-axis guide assembly 832, the second Y-axis guide assembly 833, and the third X-axis guide assembly 834 respectively includes a Z-axis sensing element 401, a Y-axis sensing element 402, and an X-axis sensing element 403. The sensing strip 411 of the Z-axis sensing element 401 extends along the Z-axis direction, the sensing strip 411 of the Y-axis sensing element 402 extends along the Y-axis direction, and the sensing strip 411 of the X-axis sensing element 403 extends along the X-axis direction. Similarly, the sensing element 410 is set at the first three-axis guide positioning device 810 and the two-axis guide positioning support device 820.

[0018] In this embodiment, as Figure 14 As shown, the support positioning device 840 includes a bracket 842 and a third position adjustment structure 843. The third hook assembly 841 is connected to the bracket 842 through the third position adjustment structure 843, and the bracket 842 is connected to the roller base 100. The third position adjustment structure 843 can be configured with multiple connecting holes arranged along the desired position adjustment direction, and the position adjustment of the third hook assembly 841 can be achieved by connecting with the connecting holes at different positions.

[0019] like Figure 1 and Figure 16As shown, the multiple displacement switching devices 900 include a first three-axis displacement device 910, a two-axis displacement device 920, and a second three-axis displacement device 930 arranged sequentially along the guiding direction of the guide rail 200; it also includes a flipping device 940, through which the two-axis displacement device 920 is connected to the side of the guide rail 200; a detection element 420 is connected to the displacement end of each of the first three-axis displacement devices 910, the two-axis displacement device 920, and the second three-axis displacement device 930 in each axial direction; and a clamping mechanism 520 is provided at the displacement end of each of the first three-axis displacement devices 910, the two-axis displacement device 920, and the second three-axis displacement device 930. In this embodiment, the first three-axis displacement device 910 and the second three-axis displacement device 930 are respectively located at the first end and the second end of the guide rail 200.

[0020] In this embodiment, as Figures 20 to 22 As shown, the first three-axis displacement device 910 includes a first Z-axis displacement assembly 911, a first Y-axis displacement assembly 912, a first X-axis displacement assembly 913, a moving platform 914, a second Y-axis displacement assembly 915, and a frame 916. The fixed end of the second Y-axis displacement assembly 915 is connected to the frame 916, and the displacement end of the second Y-axis displacement assembly 915 is connected to the moving platform 914. The fixed end of the first X-axis displacement assembly 913 is mounted on the moving platform 914, and the displacement end of the first X-axis displacement assembly 913 is connected to the fixed end of the first Y-axis displacement assembly 912. The displacement end of the first Y-axis displacement assembly 912 is connected to the fixed end of the first Z-axis displacement assembly 911. The clamping mechanism 520 of the first three-axis displacement device 910 is connected to the displacement end of the first Z-axis displacement assembly 911. Figure 21 As shown, the displacement ends of the first Z-axis displacement assembly 911, the first Y-axis displacement assembly 912, the first X-axis displacement assembly 913, and the second Y-axis displacement assembly 915 are all connected to detection elements 420. Specifically, the first Z-axis displacement assembly 911, the first Y-axis displacement assembly 912, and the first X-axis displacement assembly 913 can all be selected as lead screw drive assemblies, and the detection element 420 can be set at the transmission slider of the lead screw drive assembly; the second Y-axis displacement assembly 915 can be selected as a cylinder drive assembly, and the detection element 420 can be set at the transmission slider of the cylinder drive assembly.

[0021] like Figure 1 and Figure 16As shown, in order to allow the flexible positioning skid to enter from the first end of the guide rail 200, a first three-axis displacement device 910 is provided on each side of the first end of the guide rail 200. The second Y-axis displacement component 915 is provided to push the moving platform 914 in opposite directions, so that the moving platform 914 and its mechanism can approach the first three-axis guide positioning device 810 on the flexible positioning skid. After the clamping mechanism 520 of the first three-axis displacement device 910 completes the clamping docking with the clamping part 510 of the first three-axis guide positioning device 810, the first Z-axis displacement component 911, the first Y-axis displacement component 912, and the first X-axis displacement component 913 drive the clamping mechanism 520 and its clamping part 510 and the first hook component 811 to move, thereby realizing the three-axis coordinate position adjustment of the first hook component 811 so that the first hook component 811 can be adapted to the corresponding vehicle positioning.

[0022] It should be noted that since both the guide rail 200 and the frame 916 can be fixed to the ground by the support feet, the relative position between the fixed end of the first three-axis displacement device 910 and the guide rail 200 will not change, which makes it easy for the first three-axis displacement device 910 to adjust the position of the first hook assembly 811.

[0023] In this embodiment, as Figure 23 As shown, the biaxial displacement device 920 includes a second Z-axis displacement assembly 921 and a second X-axis displacement assembly 922. The clamping mechanism 520 of the biaxial displacement device 920 is connected to the displacement end of the second Z-axis displacement assembly 921 and the second X-axis displacement assembly 922. Detection elements 420 are connected to the displacement ends of both the second Z-axis displacement assembly 921 and the second X-axis displacement assembly 922. In this embodiment, the axial direction of the flipping device 940 is parallel to the guiding direction of the guide rail 200. The flipping device 940 includes an eighth connecting seat 941, a second flipping seat 942, and a second flipping cylinder 943. The eighth connecting seat 941 is connected to the guide rail 200, and the second flipping seat 942 is rotatably connected to the eighth connecting seat 941. The fixed end of the second X-axis displacement assembly 922 is connected to the second flipping seat 942. The cylinder seat of the second flipping cylinder 943 is connected to the eighth connecting seat 941, and the piston rod of the second flipping cylinder 943 is connected to the second flipping seat 942. The second flipping cylinder 943 can drive the two-axis displacement device 920 to flip to a position above and to the side of the guide rail 200. Specifically, a flipping position detection element 944, which is communicatively connected to the control device, can also be provided at the second flipping cylinder 943 for position detection. Preferably, the flipping position detection element 944 can be a proximity sensor.

[0024] In this embodiment, as Figure 24As shown, the second three-axis displacement device 930 includes a third Z-axis displacement assembly 931, a third Y-axis displacement assembly 932, and a third X-axis displacement assembly 933. The clamping mechanism 520 of the second three-axis displacement device 930 is connected to the displacement end of the third Z-axis displacement assembly 931. The fixed end of the third Z-axis displacement assembly 931 is connected to the displacement end of the third X-axis displacement assembly 933 via the third Y-axis displacement assembly 932. The fixed end of the third X-axis displacement assembly 933 is connected to the guide rail 200. Each of the displacement ends of the third Z-axis displacement assembly 931, the third Y-axis displacement assembly 932, and the third X-axis displacement assembly 933 is connected to a detection element 420, such as... Figure 3 and Figure 24 As shown, the detection elements 420 connected to the displacement ends of the third Z-axis displacement assembly 931, the third Y-axis displacement assembly 932, and the third X-axis displacement assembly 933 respectively include a Z-axis detection element 404, a Y-axis detection element 405, and an X-axis detection element 406. The limit switch 422 of the Z-axis detection element 404 is arranged along the Z-axis direction, the limit switch 422 of the Y-axis detection element 405 is arranged along the Y-axis direction, and the limit switch 422 of the X-axis detection element 406 is arranged along the X-axis direction. Similarly, the detection elements 420 at the first three-axis displacement device 910 and the two-axis displacement device 920 can be obtained.

[0025] like Figure 1 , Figure 4 , Figure 6 , Figure 10 , Figure 11 , Figure 17 , Figure 19 As shown, the control device includes a PLC controller, a first coupler 120 and a second coupler 220 electrically connected to the PLC controller. The first coupler 120 is connected to the side of the roller base 100 via a third connecting bracket 121, and the second coupler 220 is connected to the side of the guide rail 200 via a fourth connecting bracket 221. Figure 6 As shown, when the roller base 100 of the flexible positioning skid slides into position along the guide rail 200 of the switching device, the second coupler 220 corresponds to the first coupler 120 and can conduct signals in a non-contact manner. Figure 11 As shown, the third connecting frame 121 has waist-shaped holes extending in different directions for fine-tuning the position of the first coupler 120. Similarly, the fourth connecting frame 221 can be configured. It should be noted that the position sensor 421, limit switch 422, first hook assembly 811, second hook assembly 831, third hook assembly 841, first three-axis displacement device 910, two-axis displacement device 920, second three-axis displacement device 930, flipping device 940, clamping mechanism 520, ventilation mechanism 330, and second docking mechanism 700 are all electrically connected to the PLC controller.

[0026] Example 2 This embodiment is a second embodiment of a switching system for part positioning. This embodiment is similar to the first embodiment, except that, as Figure 21 As shown, the switching system for part positioning also includes a first position adjustment structure 430 and a second position adjustment structure 440. The sensing element 410 is connected to the guide end of the flexible guide positioning device 800 through the first position adjustment structure 430, and the detection element 420 is connected to the displacement end of the displacement switching device 900 through the second position adjustment structure 440. In this embodiment, the second position adjustment structure 440 includes an adjustment plate 441 and an adjustment frame 442. The adjustment plate 441 has an oblong hole. The detection element 420 is connected to the adjustment plate 441, and the adjustment plate 441 is connected to the adjustment frame 442 through the oblong hole. The adjustment frame 442 is connected to the corresponding displacement end. Specifically, the extension direction of the oblong hole on the adjustment plate 441 can be set according to actual usage requirements to facilitate fine-tuning of the position of the detection element 420. In this embodiment, the structure of the first position adjustment structure 430 is similar to or the same as the structure of the second position adjustment structure 440.

[0027] Example 3 This embodiment is a third embodiment of a switching system for part positioning. This embodiment is similar to Embodiment 1 or 2, except that, as Figure 4 , Figure 5 , Figure 10 , Figure 11 , Figure 17 , Figure 18 As shown, the switching system also includes an information writing component that is communicatively connected to the control device. The information writing component includes an information code carrier 110 and an information reader / writer 210. The information code carrier 110 is connected to the side of the roller base 100 via a first connecting frame 111, and the information reader / writer 210 is connected to the side of the guide rail 200 via a second connecting frame 211. Figure 5 As shown, when the roller base 100 of the flexible positioning skid slides into position along the guide rail 200 of the switching device, the information code carrier 110 corresponds to the information reader / writer 210, and the information reader / writer 210 can be used to write information onto the information code carrier 110, enabling the flexible positioning skid to carry the corresponding vehicle model information. In this embodiment, the first connecting frame 111 has waist-shaped holes extending in different directions, used to achieve fine-tuning of the position of the information code carrier 110. Specifically, the information code carrier 110 is an RFID code carrier, and the information reader / writer 210 is an RFID reader / writer. After the flexible positioning skid slides into position, the switching device can use the RFID reader / writer to write the RFID information on the RFID code carrier on the flexible positioning skid in a non-contact manner, enabling the flexible positioning skid to carry the corresponding vehicle model information, which can then be read at subsequent workstations.

[0028] like Figure 4 , Figures 8 to 10 As shown, the first docking mechanism 600 includes a plurality of limiting rollers 610, which are connected to the side of the roller base 100 via roller frames 611. The second docking mechanism 700 includes a first clamp 710 and a first rotating mechanism 720. The fixed end of the first rotating mechanism 720 is connected to the side of the guide rail 200, and the rotating end of the first rotating mechanism 720 is connected to the first clamp 710. The first clamp 710 is used to align and engage with the limiting rollers 610. In this embodiment, one or more limiting rollers 610 can be provided on each of the two outer sides of the roller base 100 according to actual usage requirements, and the first clamps 710 are provided on the two outer sides of the guide rail 200 corresponding to the number of limiting rollers 610.

[0029] In this embodiment, the first caliper 710 includes a first clamping part 711 and a second clamping part 712, and the first rotating mechanism 720 includes a first rotating cylinder 721, a second rotating cylinder 722, and a third connecting seat 723. The cylinder seats of the first rotating cylinder 721 and the second rotating cylinder 722 are both connected to the side of the guide rail 200 through the third connecting seat 723. The piston rods of the first rotating cylinder 721 and the second rotating cylinder 722 are rotatably connected to the first clamping part 711 and the second clamping part 712, respectively. The first clamping part 711 and the second clamping part 712 are also rotatably connected to the third connecting seat 723. When the first rotating cylinder 721 and / or the second rotating cylinder 722 extend or retract, the first clamping part 711 and the second clamping part 712 can move closer to each other to clamp the limiting roller 610, or they can move further apart to release the limiting roller 610.

[0030] In this embodiment, to reduce slippage when clamping the limiting roller 610, a clamping block is connected to the connecting end of the roller frame 611. The clamping block is located on one side of the rolling outer periphery of the limiting roller 610, and an inclined surface is provided on the side of the clamping block away from the limiting roller 610. The inclined surface is used to cooperate with the first clamping part 711 for clamping, and the second clamping part 712 is used to contact and clamp the limiting roller 610. Figure 8 As shown. In this embodiment, the rotational axial directions of the first clamp 711 and the second clamp 712 are both perpendicular to the guiding direction of the guide rail 200, and the rotational axial directions of the first clamp 711 and the second clamp 712 are both parallel to the horizontal plane. Specifically, a docking detection component 724 electrically connected to the PLC controller can also be provided at the first rotating cylinder 721 and the second rotating cylinder 722, which can be used to detect whether the first clamp 710 has clamped the limiting roller 610; preferably, the docking detection component 724 can be a proximity sensor.

[0031] like Figures 4 to 7 , Figure 10 , Figure 11 , Figures 17 to 19 As shown, the first docking mechanism 600 further includes a plurality of roller limiting blocks 620 connected to the side of the roller base 100, and the second docking mechanism 700 further includes a rolling guide assembly 730 connected to the side of the guide rail 200. The roller limiting blocks 620 are used for rolling limiting with the rolling guide assembly 730. In this embodiment, one or more rolling guide assemblies 730 can be provided on each of the two outer sides of the guide rail 200 according to actual usage requirements, and the roller limiting blocks 620 are provided on the two outer sides of the roller base 100 corresponding to the number of rolling guide assemblies 730.

[0032] In this embodiment, the rolling guide assembly 730 includes a fourth connecting seat 737 connected to the side of the guide rail 200. The fourth connecting seat 737 is provided with a lower roller 731, an upper roller 732, and a side roller 733. The lower roller 731, the upper roller 732, and the side roller 733 are all located above the side of the guide rail 200. The lower roller 731 is located below the side roller 733, and the upper roller 732 is located above the side roller 733. The axial directions of the lower roller 731, the upper roller 732, and the side roller 733 are all perpendicular to the guiding direction of the guide rail 200. The axial direction of the lower roller 731 is parallel to the axial direction of the upper roller 732, and the axial direction of the lower roller 731 is perpendicular to the axial direction of the side roller 733.

[0033] In this embodiment, the lower roller 731 is located on the inner side near the guide rail 200, and the side roller 733 is located on the outer side away from the guide rail 200. In the projection direction of the horizontal plane, the upper roller 732 is located between the lower roller 731 and the side roller 733. The axial directions of the lower roller 731 and the upper roller 732 are parallel to the horizontal plane, while the axial direction of the side roller 733 is perpendicular to the horizontal plane. This positioning allows the lower roller 731, upper roller 732, and side roller 733 to be used for the common rolling and limiting of the bottom, top, and outer ends of the rolling limiting block 620, respectively. Specifically, the lower roller 731 is connected to the fourth connecting seat 737 via the lower roller frame 734, the upper roller 732 is connected to the fourth connecting seat 737 via the upper roller frame 735, and the side roller 733 is connected to the fixed end of the upper roller frame 735 or the fourth connecting seat 737 via the side roller frame 736. In this embodiment, the information reader / writer 210 can be connected to one of the fourth connectors 737 via the second connector 211.

[0034] In this embodiment, as Figure 5 and Figure 11As shown, a guide limit block 621 is connected to the side of the roller limiting block 620 away from the roller base 100. The guide limit block 621 includes a first narrowing section, a horizontal section, and a second narrowing section arranged sequentially along the roller direction of the roller base 100. One end of the wide end of the first narrowing section is fixedly connected to one end of the horizontal section, and one end of the wide end of the second narrowing section is fixedly connected to the other end of the horizontal section. The narrowing sections at both ends of the horizontal section facilitate the rolling introduction and exit of the upper roller 732 and the side roller 733. When the roller base 100 slides along the guide rail 200 and the roller limiting block 620 contacts the rolling guide assembly 730, the lower roller 731 rolls into contact with the bottom of the roller limiting block 620, the side roller 733 rolls into contact with the outer side of the guide limit block 621, and the upper roller 732 rolls through the first or second narrowing section to the horizontal section for alignment, which improves the ease of docking.

[0035] like Figure 9 , Figure 12 , Figure 13 , Figure 15 As shown, the clamping part 510 includes a hook connected to the guide end of the first three-axis guide positioning device 810, the two-axis guide positioning support device 820, and the second three-axis guide positioning device 830. Specifically, the hook at the first three-axis guide positioning device 810 is connected to the fifth connecting seat 815, the hook at the two-axis guide positioning support device 820 is connected to the seventh connecting seat, and the hook at the second three-axis guide positioning device 830 is connected to the sixth connecting seat 835.

[0036] like Figure 16 , Figures 20 to 24 As shown, the clamping mechanism 520 includes a second clamp 521 and a second rotating mechanism 522. The fixed end of the second rotating mechanism 522 is connected to the displacement ends of the first three-axis displacement device 910, the two-axis displacement device 920, and the second three-axis displacement device 930 via a second connecting seat 540. Specifically, the fixed end of the second rotating mechanism 522 is connected to the displacement ends of the first Z-axis displacement assembly 911, the second Z-axis displacement assembly 921, and the third Z-axis displacement assembly 931 via the second connecting seat 540. The rotating end of the second rotating mechanism 522 is connected to the second clamp 521, which is used to align and clamp the tow hook. In this embodiment, the second rotating mechanism 522 includes a third rotating cylinder, which can drive the second clamp 521 to move, thereby clamping or releasing the second clamp 521 from the tow hook. In this embodiment, the switching system also includes a clamping detection component 530 electrically connected to the PLC controller, which is located on the second rotating mechanism 522. Preferably, the clamping detection component 530 can be a proximity sensor.

[0037] like Figure 4 , Figure 7, Figure 16 , Figure 17 As shown, the ventilation mechanism 330 includes a first connecting seat 335 connected to the side of the guide rail 200. A first flip seat 334 is rotatably connected to the first connecting seat 335. A ventilation section 331 and a protective cover 332 are connected to the first flip seat 334, with the opening of the protective cover 332 facing the ventilation section 331. A first flip member 333 is also rotatably connected to the first connecting seat 335, with the flipping end of the first flip member 333 connected to the first flip seat 334. The ventilation mechanism 330 is used to ventilate the ventilation section 320 and unlock the pneumatic locking member 310. In this embodiment, the pneumatic locking member 310 is an air lock. The protective cover 332 is used to protect the ventilation section 331. Figure 16 and Figure 17 As shown, one or more ventilation mechanisms 330 can be installed on each of the two outer sides of the guide rail 200 according to actual usage requirements.

[0038] In this embodiment, the axial direction of the venting mechanism 330 is parallel to the guiding direction of the guide rail 200. Specifically, the first venting component 333 includes a first venting cylinder, the cylinder seat of the first venting cylinder is rotatably connected to the first connecting seat 335, and the piston rod of the first venting cylinder is rotatably connected to the first venting seat 334. The first venting cylinder can drive the venting part 331 to vent to the side above the guide rail 200 and to dock with the air receiving part 320.

[0039] Example 4 The present invention also includes an embodiment of a switching method, applied to the switching system for part positioning described in any one of embodiments one to three, the switching method comprising the following steps: S1. The roller base 100 of the flexible positioning skid slides along the guide rail 200 of the switching device and is rolled and limited by the roller limiting block 620 of the first docking mechanism 600 and the rolling guide assembly 730 of the second docking mechanism 700; the control device drives the first rotation mechanism 720 of the second docking mechanism 700, and the first clamp 710 of the second docking mechanism 700 clamps the limiting roller 610 of the first docking mechanism 600. Specifically, the rollers 130 of the roller base 100 slide along the guide rail 200 of the switching table device, and are limited by the roller limit block 620, the guide limit block 621, the lower roller 731, the upper roller 732, and the side roller 733; when the upper roller 732 is located at the horizontal section of the guide limit block 621, the PLC controller drives the first rotating cylinder 721 and the second rotating cylinder 722 to extend, and the limiting roller 610 is clamped between the first clamp 711 and the second clamp 712, as shown. Figures 5 to 8 As shown; S2. After the docking between the roller base 100 and the guide rail 200 is completed, the control device drives the displacement switching device 900 to move the clamping mechanism 520 at the end of its displacement towards the position of the corresponding clamping part 510. During the movement, the position sensors 421 at each displacement end of the displacement switching device 900 and the corresponding sensing strips 411 at each guide end of the flexible guide positioning device 800 perform coarse sliding positioning. After coarse positioning, the limit switches 422 at each displacement end of the displacement switching device 900 and the corresponding limit blocks 412 at each guide end of the flexible guide positioning device 800 make contact sensing to achieve fine positioning. After fine positioning, the control device controls the clamping mechanism 520 to clamp the clamping part 510. Specifically, step S2 includes the following steps: S21. The PLC controller drives the flipping device 940 to flip upwards, and drives each axis displacement component in the first three-axis displacement device 910, the two-axis displacement device 920, and the second three-axis displacement device 930 to move, so that the clamping mechanism 520 at the first Z-axis displacement component 911 moves to the position of the clamping part 510 on the fifth connecting seat 815, and the clamping mechanism 520 at the second Z-axis displacement component 921 moves to the position of the clamping part 510 on the seventh connecting seat, and the clamping mechanism 520 at the third Z-axis displacement component 931 moves toward the position of the clamping part 510 on the sixth connecting seat 835; S22. During the movement, the position sensors 421 at each axis displacement component in the first three-axis displacement device 910 and the sensing strips 411 connected to the slider ends of each axis guide component in the first three-axis guiding and positioning device 810 perform sliding sensing; the position sensors 421 at each axis displacement component in the two-axis displacement device 920 and the sensing strips 411 connected to the slider ends of each axis guide component in the two-axis guiding and positioning support device 820 perform sliding sensing; the position sensors 421 at each axis displacement component in the second three-axis displacement device 930 and the sensing strips 411 connected to the slider ends of each axis guide component in the second three-axis guiding and positioning device 830 perform sliding sensing. The sensing strip 411 performs sliding sensing; during the sliding sensing process, the position sensor 421 moves along the corresponding axial direction. When the position sensor 421 moves to the position range of the corresponding sensing strip 411, the position sensor 421 sends a preliminary positioning signal to the PLC controller; then, the position sensor 421 continues to move along the extension direction of the corresponding sensing strip 411. The duration of the preliminary positioning signal received by the PLC controller can be used to determine whether coarse positioning is completed. It should be noted that each axial displacement component can be set to the same or approximately the same displacement speed. S23. After coarse positioning is completed, the limit switches 422 at each axis displacement component in the first three-axis displacement device 910 continue to slide toward the limit blocks 412 connected to the slider ends of each axis guide component in the first three-axis guide positioning device 810 until the limit switches 422 contact the corresponding limit blocks 412. The limit switches 422 send a "positioned" signal to the PLC controller, and the PLC controller controls the corresponding axial displacement component to stop moving. The limit switches 422 at each axis displacement component in the two-axis displacement device 920 continue to slide toward the two-axis guide positioning device. The limiting blocks 412 connected to the slider ends of each axis guide assembly in the positioning support device 820 slide until the limiting switch 422 contacts the corresponding limiting block 412 and stops moving; the limiting switches 422 at each axis displacement assembly in the second and third axis displacement device 930 continue to slide toward the limiting blocks 412 connected to the slider ends of each axis guide assembly in the second and third axis positioning device 830 until the limiting switch 422 contacts the corresponding limiting block 412 and stops moving; when the displacement switching device 900 stops moving, the fine positioning is completed; S24. After precise positioning, the PLC controller drives the second rotation mechanism 522 at the displacement end of the first three-axis displacement device 910, causing the second clamp 521 to clamp the hook at the guide end of the first three-axis guide positioning device 810; the PLC controller drives the second rotation mechanism 522 at the displacement end of the two-axis displacement device 920, causing the second clamp 521 to clamp the hook at the guide end of the two-axis guide positioning support device 820; the PLC controller drives the second rotation mechanism 522 at the displacement end of the second three-axis displacement device 930, causing the second clamp 521 to clamp the hook at the guide end of the second three-axis guide positioning device 830. S3. After clamping is completed, the control device controls the air supply end of the air supply mechanism 330 to make contact with the air receiving part 320 for alignment; then, the control device controls the air supply mechanism 330 to supply air to the air receiving part 320, and the pneumatic locking part 310 is in the unlocked state. Specifically, the PLC controller controls the first flipping member 333 to extend, causing the first flipping seat 334 and its ventilation section 331 to flip upwards, with the ventilation section 331 contacting and aligning with the air receiving section 320. Then, an air source is connected to the ventilation section 331, and the air source is conducted through the air receiving section 320 to the pneumatic locking members 310 on each axis guide assembly of the first three-axis guide positioning device 810, the two-axis guide positioning support device 820, and the second three-axis guide positioning device 830, so that all pneumatic locking members 310 are in the unlocked state. Figure 7 As shown; S4. The control device drives the displacement switching device 900 according to the target positioning coordinates, and the clamping mechanism 520 drives the corresponding clamping part 510 and positioning component to move, thereby realizing the coordinate position switching of the positioning component; after the position switching is completed, the control device controls the ventilation mechanism 330 to stop ventilation, and the pneumatic locking part 310 is in the locked state. Specifically, the PLC controller drives the movement of each axis displacement component in the first three-axis displacement device 910, the two-axis displacement device 920, and the second three-axis displacement device 930 according to the target positioning coordinates. This causes the second caliper 521 to move the corresponding tow hook, and simultaneously causes the first hook pin component 811, the positioning support block 821, and the second hook pin component 831 to move, thereby switching the coordinate positions of the first hook pin component 811, the positioning support block 821, and the second hook pin component 831. After the position switching is completed, the PLC controller controls the first flipping component 333 to retract, the vent 331 to move away from the air receiving part 320, and the pneumatic locking component 310 to be in a locked state. The target positioning coordinates include the positioning points of the front end of the front longitudinal beam of the automotive parts, the front crossbeam of the rear floor, and the rear end of the rear longitudinal beam. S5. The control device controls the clamping mechanism 520 to release the clamping part 510 and controls the displacement switching device 900 to move away from the flexible guide positioning device 800; and the control device drives the first rotating mechanism 720, the first caliper 710 to release the limiting roller 610; and the roller base 100 moves out along the guide rail 200.

[0040] It should be noted that after step S1, the information code carrier 110 and the information read / write carrier 210 are positioned accordingly. At this time, the information read / write carrier 210 can be used to write information to the information code carrier 110, enabling the flexible positioning skid to carry the corresponding vehicle model information, which can then be read at subsequent workstations. It should also be noted that the first hook assembly 811, the positioning support block 821, the third hook assembly 841, and the second hook assembly 831 can be used for positioning the front end of the front longitudinal beam, the rear end of the front longitudinal beam, the front crossbeam of the rear floor, and the rear end of the rear longitudinal beam, respectively. Since the rear end of the front longitudinal beam is a universal positioning point, the support positioning device 840 does not require flexible positioning.

[0041] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.

[0042] 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 can make other variations or modifications based on the above description. 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. A switching system for part positioning, characterized in that, The system includes a flexible positioning skid and a switching platform device. The flexible positioning skid includes a roller base (100), which is provided with multiple flexible guiding positioning devices (800). Each flexible guiding positioning device (800) has a clamping part (510) and a positioning component at its guide end. Each flexible guiding positioning device (800) has a pneumatic locking element (310) at its guide end. The roller base (100) is also provided with an air receiving part (320) that communicates with the pneumatic locking element (310). The roller base (100) is provided with a first docking mechanism (600). The switching device includes a guide rail (200), which is provided with a plurality of displacement switching devices (900) corresponding one-to-one with a plurality of flexible guiding and positioning devices (800). The displacement end of the displacement switching device (900) is provided with a clamping mechanism (520) corresponding to the clamping part (510). The guide rail (200) is provided with a ventilation mechanism (330) for corresponding to the air receiving part (320). The guide rail (200) is also provided with a second docking mechanism (700) for aligning with the first docking mechanism (600). The switching system also includes a control device, and the flexible guide positioning device (800), displacement switching device (900), clamping mechanism (520), ventilation mechanism (330), and second docking mechanism (700) are all communicatively connected to the control device; the switching system also includes a position detection component communicatively connected to the control device, and the position detection component includes a sensor (410) and a detection component (420) respectively disposed on the guide end of the flexible guide positioning device (800) and the displacement end of the displacement switching device (900).

2. The switching system for part positioning according to claim 1, characterized in that, The sensing element (410) includes a sensing strip (411) and a limiting block (412) connected to the guide end of the flexible guiding and positioning device (800); the detection element (420) includes a position sensor (421) and a limit switch (422) connected to the displacement end of the displacement switching device (900). The extension direction of the sensing strip (411) is parallel to the displacement direction of its corresponding displacement end, and the sensing direction of the position sensor (421) is used to point to the sensing strip (411); the limiting direction of the limit switch (422) is parallel to the displacement direction of its displacement end, and the limiting end of the limit block (412) is used to point to the limit switch (422).

3. The switching system for part positioning according to claim 1 or 2, characterized in that, It also includes a first position adjustment structure (430) and a second position adjustment structure (440). The sensing element (410) is connected to the guide end of the flexible guide positioning device (800) through the first position adjustment structure (430), and the detection element (420) is connected to the displacement end of the displacement switching device (900) through the second position adjustment structure (440).

4. The switching system for part positioning according to claim 1, characterized in that, The switching system further includes an information writing component that is communicatively connected to the control device. The information writing component includes an information code carrier (110) and an information reader / writer (210) respectively disposed on the roller base (100) and the guide rail (200). When the roller base (100) of the flexible positioning skid slides into position along the guide rail (200) of the switching device, the information code carrier (110) corresponds to the information reader / writer (210) and the information reader / writer (210) can be used to write information to the information code carrier (110).

5. The switching system for part positioning according to claim 1, characterized in that, The first docking mechanism (600) includes a plurality of limiting rollers (610) connected to the side of the roller base (100). The second docking mechanism (700) includes a first clamp (710) and a first rotating mechanism (720). The fixed end of the first rotating mechanism (720) is connected to the side of the guide rail (200), and the rotating end of the first rotating mechanism (720) is connected to the first clamp (710). The first clamp (710) is used to align and engage with the limiting rollers (610). The first docking mechanism (600) further includes a plurality of roller limiting blocks (620) connected to the side of the roller base (100), and the second docking mechanism (700) further includes a rolling guide assembly (730) connected to the side of the guide rail (200), wherein the roller limiting block (620) is used to roll and limit with the rolling guide assembly (730).

6. The switching system for part positioning according to claim 1, characterized in that, The clamping part (510) includes a hook connected to the guide end of the flexible guide positioning device (800); the clamping mechanism (520) includes a second caliper (521) and a second rotating mechanism (522), the fixed end of the second rotating mechanism (522) is connected to the displacement end of the displacement switching device (900), the rotating end of the second rotating mechanism (522) is connected to the second caliper (521), and the second caliper (521) is used to align and clamp with the hook; the switching system also includes a clamping detection component (530) that is communicatively connected to the control device, and the clamping detection component (530) is disposed on the second rotating mechanism (522).

7. The switching system for part positioning according to any one of claims 1, 2, 4 to 6, characterized in that, Multiple flexible guide positioning devices (800) include a first three-axis guide positioning device (810), a two-axis guide positioning support device (820), and a second three-axis guide positioning device (830) arranged sequentially along the rolling direction of the roller base (100). The guide ends of the first three-axis guide positioning device (810), the two-axis guide positioning support device (820), and the second three-axis guide positioning device (830) are all provided with clamping parts (510). The pneumatic locking element (310) and the sensing element (410) are connected to the guide ends of the first three-axis guide positioning device (810), the two-axis guide positioning support device (820), and the second three-axis guide positioning device (830) in each axial direction. A support positioning device (840) is also connected to the roller base (100). The support positioning device (840) is located between the first three-axis guide positioning device (810) and the two-axis guide positioning support device (820). The positioning components at the guide ends of the first three-axis guide positioning device (810) and the second three-axis guide positioning device (830) respectively include a first hook component (811) and a second hook component (831); the positioning component at the guide end of the two-axis guide positioning support device (820) includes a positioning support block (821), and the support end of the support positioning device (840) is provided with a third hook component (841).

8. The switching system for part positioning according to any one of claims 1, 2, 4 to 6, characterized in that, Multiple displacement switching devices (900) include a first three-axis displacement device (910), a two-axis displacement device (920), and a second three-axis displacement device (930) arranged sequentially along the guiding direction of the guide rail (200); and also includes a flipping device (940), wherein the two-axis displacement device (920) is connected to the side of the guide rail (200) through the flipping device (940); the detection element (420) is connected to the displacement end of each of the first three-axis displacement device (910), the two-axis displacement device (920), and the second three-axis displacement device (930) in each axial direction; and the clamping mechanism (520) is provided at the displacement end of the first three-axis displacement device (910), the two-axis displacement device (920), and the second three-axis displacement device (930).

9. The switching system for part positioning according to any one of claims 1, 2, 4 to 6, characterized in that, The control device includes a PLC controller, a first coupler (120) electrically connected to the PLC controller, and a second coupler (220). The first coupler (120) and the second coupler (220) are respectively installed on the roller base (100) and the guide rail (200). When the roller base (100) of the flexible positioning skid slides into place along the guide rail (200) of the switching device, the second coupler (220) corresponds to the position of the first coupler (120) and can be used for signal conduction.

10. A switching method applied to the switching system for part positioning according to any one of claims 2 to 9, characterized in that, Includes the following steps: S1. The roller base (100) slides along the guide rail (200) and is rolled and limited by the roller limiting block (620) of the first docking mechanism (600) and the rolling guide assembly (730) of the second docking mechanism (700); the control device drives the first clamp (710) of the second docking mechanism (700) to clamp the limiting roller (610) of the first docking mechanism (600). S2. The control device drives the displacement switching device (900) to move the clamping mechanism (520) at the end of its displacement toward the position of the corresponding clamping part (510). During the movement, the position sensor (421) at each displacement end of the displacement switching device (900) and the corresponding sensing strip (411) at each guide end of the flexible guide positioning device (800) perform coarse sliding positioning. After coarse positioning, the limit switch (422) at each displacement end of the displacement switching device (900) and the corresponding limit block (412) at each guide end of the flexible guide positioning device (800) make contact sensing to achieve fine positioning. After fine positioning, the control device controls the clamping mechanism (520) to clamp the clamping part (510). S3. The control device controls the ventilation end of the ventilation mechanism (330) to make contact with the air receiving part (320); then, the control device controls the ventilation mechanism (330) to ventilate to the air receiving part (320), and the pneumatic locking member (310) is in the unlocked state. S4. The control device drives the displacement switching device (900) according to the target positioning coordinates, and the clamping mechanism (520) drives the corresponding clamping part (510) and positioning component to move, thereby realizing the coordinate position switching of the positioning component; after the position switching is completed, the control device controls the ventilation mechanism (330) to stop ventilation, and the pneumatic locking member (310) is in a locked state.

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