Track guiding mechanism and automatic track following processing workstation

Abstract

The utility model discloses a trajectory guide mechanism and automatic tracking processing workstation relates to welding equipment technical field, wherein trajectory guide mechanism, including frock table and guide subassembly, frock table is used to install the welding workpiece, and frock table fixedly connected with transmission strip, and transmission strip plane arrangement forms closed loop route. Guide subassembly includes mounting seat, gyro wheel part and drive arrangement, and gyro wheel part and drive arrangement all install in mounting seat, and drive arrangement is used for drive gyro wheel part rotation, and gyro wheel part is opposite with transmission strip and drive frock table and moves along closed loop route, and closed loop route and the welding processing path of welding workpiece at least partially coincide. Gyro wheel part presses and holds transmission strip, and drive transmission strip moves, and make frock table have the transmission strip route of setting, and the welding head is opposite fixed with guide subassembly, and the welding head can complete automatic welding according to the fixed route of transmission strip setting, and need not manual operation welding, thereby improve the precision of welding processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fusion equipment, especially to trajectory guide mechanism and automatic tracking processing workstation with trajectory guide mechanism. BACKGROUND

[0002] The fusion machine connects the cloth by heating, and the fusion machine is provided with a heating connector in the related art, and manual auxiliary operation is adopted for fusion processing, manual operation has no accurate guide, deviation of the fusion path is prone to occur, processing precision is low, and heat during fusion is prone to be dissipated, which causes wrinkles, deformation, bright edges and other conditions at the edge of the fusion area, which affects both appearance and quality. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a trajectory guide mechanism, which can guide fusion processing and has the advantage of improving fusion processing precision.

[0004] The utility model further provides an automatic tracking processing workstation with the above-mentioned trajectory guide mechanism.

[0005] The trajectory guide mechanism according to the utility model comprises:

[0006] A tooling table is used for mounting a fusion workpiece, and the tooling table is fixedly connected with a transmission bar, which is arranged in a plane and forms a closed loop route.

[0007] A guide assembly comprises a mounting seat, a roller component and a driving device, the roller component and the driving device are both mounted on the mounting seat, the driving device is used for driving the roller component to rotate, the roller component abuts against the transmission bar and drives the tooling table to translate along the closed loop route, and the closed loop route at least partially coincides with a fusion processing path of the fusion workpiece.

[0008] The trajectory guide mechanism according to the utility model has at least the following beneficial effects: the guide assembly clamps and presses the transmission bar through the roller component, drives the transmission bar to move, so that the tooling table has a set transmission bar route, the distance from the axis of the roller component of the guide assembly to the transmission bar is constant, that is, the distance between the fusion connector and the side wall of the transmission bar is constant, in some welding applications, the fusion connector is relatively fixed with the guide assembly, the fusion connector can complete automatic fusion according to the set route of the transmission bar, manual operation for fusion is not needed, the precision of fusion processing is improved, and production quality is ensured and production cost is reduced.

[0009] According to some embodiments of the utility model, the trajectory guiding mechanism, the first roller and the second roller are different in number, and the cylinder can switch the positions of the first roller and the second roller abutting against the transmission bar.

[0010] According to some embodiments of the utility model, the trajectory guiding mechanism, the transmission bar is arranged around the tooling table, the end of the transmission bar is bent towards one side of the center of the tooling table and forms a limiting groove, and the first roller is arranged in the limiting groove.

[0011] According to some embodiments of the utility model, the trajectory guiding mechanism, the first roller and the second roller are different in number, and the cylinder can switch the positions of the first roller and the second roller abutting against the transmission bar.

[0012] According to some embodiments of the utility model, the trajectory guiding mechanism, the second roller is rotationally arranged on the mounting seat, the guiding assembly further comprises a first connecting rod and a sliding seat, the second roller is mounted on the first connecting rod, the sliding seat is arranged to slide in a linear direction on the mounting seat, the cylinder is used to drive the sliding seat to move, and the sliding seat is in transmission cooperation with the first connecting rod, so as to drive the second roller to switch positions.

[0013] According to some embodiments of the utility model, the trajectory guiding mechanism, the first connecting rod is rotationally sleeved with a vertical sleeve rod, the vertical sleeve rod is fixedly connected with an annular sleeve plate, one end of the annular sleeve plate away from the vertical sleeve rod is connected to the second roller, the sliding seat is provided with a transmission groove, the transmission groove is arranged perpendicular to the sliding direction of the sliding seat, part of the vertical sleeve rod is arranged in the transmission groove and is pushed by the groove wall of the transmission groove, so as to drive the second roller to swing around the first roller, so as to switch the position of the second roller.

[0014] According to some embodiments of the utility model, the trajectory guiding mechanism, the mounting seat is provided with a sliding rail, the sliding seat is provided with a sliding block seat, and the sliding rail and the sliding block seat are matched to guide the movement of the sliding seat.

[0015] According to some embodiments of the utility model, the trajectory guiding mechanism, the driving device further comprises a driving gear and a driven gear, the guiding assembly further comprises a second connecting rod, the driving gear and the first roller are respectively fixed at two ends of the second connecting rod, the driven gear and the second roller are respectively fixed at two ends of the first connecting rod, and the driven gear is in meshing transmission with the driving gear.

[0016] According to the trajectory guiding mechanism some embodiments of the utility model, the driving device includes second transmission wheel, transmission belt and drive motor, first connecting rod fixedly connected with first transmission wheel, the first transmission wheel with the first connecting rod fixed connection, the second transmission wheel with the drive shaft of drive motor fixed connection, the both ends of transmission belt are respectively covered first transmission wheel and second transmission wheel.

[0017] According to the automatic tracking processing workstation, the trajectory guiding mechanism is used.

[0018] According to the automatic tracking processing workstation, at least has following beneficial effect: tooling table has the transmission strip route of setting, the distance between the fusion joint and the transmission strip side wall is invariable, the fusion joint can complete the fusion processing according to the set transmission strip route, effectively avoid the error and instability that the manual operation can produce, greatly improve the precision of fusion processing, reduce the scrap rate caused by quality problem, reduce production cost.

[0019] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and / or additional aspects and advantages of the utility model will become apparent and easily understood from the description of embodiments combined with the following drawings, wherein:

[0021] Figure 1 It is structure schematic drawing of trajectory guiding mechanism of the utility model embodiment;

[0022] Figure 2 It is structure schematic drawing of guiding assembly of the utility model embodiment;

[0023] Figure 3 It is sectional view of guiding assembly of the utility model embodiment;

[0024] Figure 4 It is sectional view of driving device of the utility model embodiment;

[0025] Figure 5 It is part structure explosion schematic drawing of guiding assembly of the utility model embodiment;

[0026] Figure 6 It is structure schematic drawing of annular sleeve plate and vertical sleeve plate of the utility model embodiment.

[0027] EXPLANATION OF DRAWINGS:

[0028] Tooling table 100; transmission bar 110; straight track 111; arc track 112; limiting groove 120; pulley 130; mounting plate 140; transmission plate 150;

[0029] Guide assembly 200; roller component 210; first roller 211; second roller 212;

[0030] Drive device 220; first transmission wheel 221; second transmission wheel 222; transmission belt 223; drive motor 224; driving gear 225; driven gear 226;

[0031] First connecting rod 230; second connecting rod 231;

[0032] Annular sleeve plate 240; vertical sleeve rod 241; sliding seat 242; sliding block seat 2421; transmission groove 2422; air cylinder 243;

[0033] Mounting seat 250; sliding rail 251. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0035] In the description of the present application, it should be understood that, if the orientation description, such as up, down, front, back, left, right and the like, is described, the orientation or position relationship shown in the drawings is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are not included in the number, and above, below, etc. are included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0037] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0038] In the description of the present utility model, the description of the reference terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Welding is a manufacturing process and technology for joining metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure, and a welding method that completes the welding of the material at the connection under the action of high temperature or high pressure to the molten state, which can form a firm welded joint. In the related art, the welding equipment usually includes a tooling table and a welding head, the welding piece is placed on the tooling table, and the welding head is manually operated or the welding piece is moved to complete the welding processing. The manual operation of the welding precision is difficult to guarantee, and the welding processing cost is high.

[0040] Therefore, as shown in Figures 1 to 6 The trajectory guiding mechanism provided by the present utility model comprises a tooling table 100 and a guiding assembly 200, the tooling table 100 is used for mounting a welded workpiece, the bottom of the tooling table 100 is provided with a pulley 130, the tooling table 100 is fixedly connected with a transmission bar 110, the transmission bar 110 is located on one side of the bottom of the tooling table 100, and the transmission bar 110 is arranged in a plane and forms a closed loop route. The guiding assembly 200 comprises a mounting seat 250, a roller component 210 and a driving device 220, the mounting seat 250 serves as a basic support structure of the whole guiding assembly 200, the roller component 210 and the driving device 220 are both mounted on the mounting seat 250, the driving device 220 is used for driving the roller component 210 to rotate, the roller component 210 abuts against the transmission bar 110 and drives the tooling table 100 to translate along the closed loop route, the pulley 130 at the bottom of the tooling table 100 can cooperate with the driving of the tooling table 100 to move, and the closed loop route at least partially coincides with the welding processing path of the welded workpiece. The welding head is fixedly installed on the guiding assembly 200, the distance from the axis of the roller component 210 of the guiding assembly 200 to the transmission bar 110 is constant, that is, the distance between the welding head and the side wall of the transmission bar 110 is constant, in some welding applications, the welding head is relatively fixed with the guiding assembly 200, the welding head can complete automatic welding according to the predetermined route set by the transmission bar 110, manual welding is not needed, the precision of the welding processing is improved, and thus the production quality is guaranteed and the production cost is reduced.

[0041] Specifically, referring to Figure 1As shown, it can be understood that the closed loop route formed by the transmission bar 110 includes a plurality of arc track 112 and a plurality of straight track 111, the plurality of arc track 112 has the same or different curvature, and the plurality of straight track 111 is arranged interspersed with the plurality of arc track 112, the tooling table 100 is provided with a mounting plate 140 and a transmission plate 150, the mounting plate 140 and the transmission plate 150 are located on the upper side and the lower side of the tooling table 100 respectively and are connected through a support, the transmission plate is an irregular pentagon, the edges are transitioned with round corners, the appearance is beautiful, the mounting plate 140 is in the same proportion with the transmission plate 150, the mounting plate 140 is used for mounting the welded member, and the transmission bar 110 is installed on the transmission plate 150. It should be noted that the transmission plate 150 is provided with an assembly hole, and the transmission plate 150 is sleeved on the support through the assembly hole, so that the transmission plate 150 can be conveniently replaced, for example, the transmission bar 110 and the transmission plate 150 are integrally arranged, and different track paths can be replaced as a whole to adapt to the welding track of different workpieces. The mounting plate 140 and the transmission plate 150 can be other shapes, for example, triangular, rectangular, trapezoidal and the like, or a combination of multiple shapes, and in other embodiments, the shape and size of the mounting plate 140 and the transmission plate 150 can also be different, and here, the specific shape and size of the mounting plate 140 and the transmission plate 150 are not limited, and the specific shape and size of the mounting plate 140 and the transmission plate 150 can be changed according to actual welding requirements.

[0042] In some embodiments of the utility model, as shown in Figures 1 to 3 As shown, the roller component 210 includes a first roller 211 and a second roller 212, the first roller 211 and the second roller 212 are arranged on both sides of the transmission bar 110 respectively, can simultaneously exert force on both sides of the transmission bar 110, so that the transmission bar 110 is more uniform and stable when stressed, the first roller 211 and the second roller 212 are the same in size, that is, the diameter and thickness are the same, the first roller 211 and the second roller 212 are driven at the same speed, the driving force received by the transmission bar 110 on both sides is uniform and balanced, avoiding problems such as jamming and vibration caused by uneven transmission due to uneven size or speed of the roller. The mounting seat 250 is provided with a pneumatic cylinder 243, and the pneumatic cylinder 243 is used to drive the second roller 212 to move towards the side of the first roller 211, so as to drive the first roller 211 and the second roller 212 to press against the transmission bar 110. When the part of the transmission bar 110 pressed and driven by the roller component 210 is converted from the straight track 111 to the arc track 112, the pneumatic cylinder 243 can drive the second roller 212 to move and tightly press on one side of the transmission bar 110, so as to ensure that the tooling table 100 stably translates along the closed loop route of the transmission bar 110.

[0043] In some other embodiments of the utility model, first gyro wheel 211 and transmission bar 110 resist transmission, cylinder 243 promotes second gyro wheel 212 movement along the side of first gyro wheel 211, second gyro wheel 212 resists transmission bar 110 and follows, namely when first gyro wheel 211 rotates, transmission bar 110 moves and drives second gyro wheel 212 to rotate. Second gyro wheel 212 follow-up can reduce the component of movement, reduce manufacturing cost, reduce the probability of wear and failure.

[0044] In some embodiments of the utility model, as shown in Figure 3 Transmission bar 110 is arranged on the periphery of tooling table 100. Due to inertial force generated when tooling table 100 turns or impact force caused by external vibration, gyro wheel component 210 is prone to disengaging from transmission bar 110. Therefore, the end of transmission bar 110 is bent towards the side of the center of tooling table 100 and forms limiting groove 120. The width of limiting groove 120 is the groove depth, the length of limiting groove 120 is the distance between the two groove walls, the width of limiting groove 120 is less than the radius of first gyro wheel 211, and the length of limiting groove 120 is greater than first gyro wheel 211. First gyro wheel 211 is arranged in limiting groove 120 to limit the vertical movement of first gyro wheel 211 relative to transmission bar 110, avoid first gyro wheel 211 from disengaging from transmission bar 110 during transmission, thereby preventing tooling table 100 from disengaging from guiding assembly 200 while moving, and ensuring the stability of fusion processing.

[0045] In some embodiments of the utility model, as shown in Figures 1 to 3 Due to the arc trajectory 112 and straight trajectory 111 of tooling table 100, when gyro wheel component 210 transitions from straight trajectory 111 to arc trajectory 112, the simple linear arrangement of first gyro wheel 211 and second gyro wheel 212 cannot drive tooling table 100 to deflect well, resulting in poor workpiece fusion quality. Therefore, the number of first gyro wheel 211 and second gyro wheel 212 is different, there is one first gyro wheel 211 and two second gyro wheels 212, and the distribution of first gyro wheel 211 and two second gyro wheels 212 forms a triangular structure. When gyro wheel component 210 transitions from straight trajectory 111 to arc trajectory 112, the pressure of two second gyro wheels 212 is inconsistent. Cylinder 243 is fixedly connected with sliding seat 242, two second gyro wheels 212 are in transmission cooperation with sliding seat 242, and cylinder 243 cooperates with sliding seat 242 to drive two second gyro wheels 212 to deflect around first gyro wheel 211 as the fulcrum, thereby ensuring that the normal line of the intersection point of transmission bar 110 and first gyro wheel 211 tends to be perpendicular to the connecting line of two second gyro wheels 212. Compared with single gyro wheel or simple linear arrangement of gyro wheel layout, the triangular distribution structure can apply stable and balanced force to transmission bar 110 from multiple directions, ensuring that tooling table 100 moves smoothly along the closed loop.

[0046] Specifically, the first roller 211 has a first position and a second position, the air cylinder 243 is a bidirectional telescopic air cylinder 243, the air cylinder 243 can switch the positions of the first roller 211 and the second roller 212 abutting against the transmission bar 110, the inner side of the transmission bar 110 is the side towards the center line of the tool table 100, the outer side of the transmission bar 110 is the side away from the center line of the tool table 100, when the first roller 211 is located at the first position, the first roller 211 abuts against the inner side of the transmission bar 110, and the second roller 212 abuts against the outer side of the transmission bar 110; when the roller component 210 is located at the second position, the first roller 211 abuts against the outer side of the transmission bar 110, and the second roller 212 abuts against the inner side of the transmission bar 110. It can be understood that the arc of the arc track 112 through which the first roller 211 transmits when the first roller 211 is located at the first position can be smaller than the arc of the arc track 112 through which the first roller 211 transmits when the first roller 211 is located at the second position, that is, the first roller 211 can pass through an arc track 112 with a smaller arc when the first roller 211 is located at the first position, so as to adapt to the welding requirements of products of various shapes and specifications, broaden the application range of the track guiding mechanism and improve the versatility.

[0047] In some embodiments of the utility model, as shown in Figures 1 to 3 The second roller 212 is rotationally arranged on the mounting seat 250, the guiding assembly 200 further comprises a first connecting rod 230 and a sliding seat 242, the second roller 212 is mounted on the first connecting rod 230, the first connecting rod 230 has two, the two first connecting rods 230 are connected with the two second rollers 212 respectively, the sliding seat 242 is slidably arranged on the mounting seat 250 along the linear direction, the air cylinder 243 is used for driving the sliding seat 242 to move, the sliding seat 242 is in transmission cooperation with the first connecting rod 230, so as to drive the second roller 212 to switch positions, and the position of the second roller 212 can be flexibly adjusted according to the specific welding processing path requirement of the welding workpiece.

[0048] Further, in some embodiments of the utility model, as shown in Figure 3 and Figure 5 The mounting seat 250 is provided with sliding rails 251, the sliding rails 251 are located on both sides of the bottom of the mounting seat 250 and extend linearly towards the moving direction of the sliding seat 242, the sliding seat 242 is provided with sliding block seats 2421, the sliding block seats 2421 have two, the two sliding block seats 2421 correspond to the two sliding rails 251 respectively, the sliding rail 251 is matched with the sliding block seat 2421 to guide the movement of the sliding seat 242, and the sliding seat 242 can always move stably along the preset linear track, so that the stability of the second roller 212 switching positions is guaranteed.

[0049] In some embodiments of the utility model, as shown in Figure 2 , Figure 3 and Figure 6As shown, the first connecting rod 230 is rotatably sleeved with a vertical sleeve rod 241, the vertical sleeve rod 241 is connected with the first connecting rod 230 through rolling bearings, the rolling bearings are installed on both sides of the end of the vertical sleeve rod 241, the vertical sleeve rod 241 is fixedly connected with an annular sleeve plate 240, one end of the annular sleeve plate 240 away from the vertical sleeve rod 241 is connected to the second roller 212, the annular sleeve plate 240 is connected with the second roller 212 through rolling bearings, the frictional resistance of transmission is reduced, the annular sleeve plates 240 are arranged at intervals to avoid interference when the second roller 212 rotates. The sliding seat 242 is provided with a transmission groove 2422, the transmission groove 2422 is arranged along the sliding direction perpendicular to the sliding seat 242, and the groove walls of the transmission groove 2422 are rounded and matched with the shape of the vertical sleeve rod 241. The sliding seat 242 linearly moves, part of the vertical sleeve rod 241 is arranged in the transmission groove 2422 and is pushed by the groove walls of the transmission groove 2422, so that the second roller 212 is driven to swing around the first roller 211, so as to switch the position of the second roller 212, the annular sleeve plate 240 can ensure that the relative position between the central axis of the first roller 211 and the central axis of the second roller 212 is unchanged, and the second roller 212 is guaranteed to move in a circle with the first roller 211 as the center.

[0050] In some embodiments of the utility model, as shown in Figure 3 and Figure 4 As shown, the driving device 220 further includes a driving gear 225 and a driven gear 226, the driven gear 226 is engaged with the driving gear 225 for transmission, the driven gear 226 has two, the guide assembly 200 further includes a second connecting rod 231, the driving gear 225 and the first roller 211 are respectively fixed on both ends of the second connecting rod 231, the driving device 220 drives the driving gear 225 to rotate, and the first roller 211 is driven to rotate through the second connecting rod 231, the driven gear 226 and the second roller 212 are respectively fixed on both ends of the first connecting rod 230, the two driven gears 226 are respectively fixed in one-to-one correspondence with the two first connecting rods 230, the driven gear 226 is driven by the driving gear 225, so that the second roller 212 is driven to rotate. It can be understood that, since the first roller 211 and the second roller 212 are driven at the same speed, the driving gear 225 and the driven gear 226 have equal outer dimensions, so as to ensure stable transmission of the transmission strip 110.

[0051] In some embodiments of the utility model, as shown in Figure 4As shown, the driving device 220 includes a second transmission wheel 222, a transmission belt 223 and a driving motor 224, the transmission belt 223 as a power transmission medium has good elasticity and flexibility. The first transmission wheel 221 is fixedly connected with the second connecting rod 231, the second transmission wheel 222 is fixedly connected with the driving shaft of the driving motor 224, the two ends of the transmission belt 223 are respectively sleeved with the first transmission wheel 221 and the second transmission wheel 222, the overall structure of the driving device 220 is compact, convenient to maintain, loosen the tensioning device of the transmission belt 223, remove the old transmission belt 223, then install the new transmission belt 223 and adjust the tensioning degree again. When the driving motor 224 works, the driving shaft rotates to drive the second transmission wheel 222 to rotate, the second transmission wheel 222 drives the transmission belt 223 to rotate, so that the transmission belt 223 drives the first transmission wheel 221 to rotate, the first transmission wheel 221 is fixedly connected with the second connecting rod 231, so that the second connecting rod 231 rotates and drives the driving gear 225 to rotate. In some embodiments, the transmission belt 223 is a chain, the first transmission wheel 221 and the second transmission wheel 222 are sprockets, and the diameter of the second transmission wheel 222 is smaller than that of the first transmission wheel 221 to obtain efficient power transmission.

[0052] The automatic tracking processing work station according to the embodiment of the present application comprises the track guiding mechanism according to the embodiment of the present application.

[0053] The automatic tracking processing work station according to the embodiment of the present application can automatically perform fusion processing through the track guiding mechanism, thereby ensuring the processing precision of the fusion piece and improving the production efficiency and reducing the production cost.

[0054] Other configurations and operations of the automatic tracking processing work station according to the embodiment of the present application are known to those skilled in the art, and will not be described in detail here.

[0055] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A trajectory guide, characterized by, The utility model provides a kind of welding workpiece's track guiding mechanism, including: Tooling table, for installing the workpiece to be welded, the tooling table is fixedly connected with transmission bar, the transmission bar is arranged in plane and forms closed loop route; Guide assembly, the guide assembly includes mounting seat, roller component and driving device, the roller component and the driving device are installed in the mounting seat, the driving device is used to drive the roller component rotation, the roller component is resisted with the transmission bar and drives the tooling table translation along the closed loop route, the closed loop route at least partially coincides with the welding processing path of the workpiece to be welded.

2. The trajectory guide of claim 1, wherein: The roller component includes first roller and second roller, the first roller and the second roller are arranged on the two sides of the transmission bar respectively, the mounting seat is installed with pneumatic cylinder, the pneumatic cylinder is used to push the second roller to move towards the side of the first roller, to drive the first roller and the second roller are all pressed transmission with the transmission bar.

3. The trajectory guide of claim 2, wherein: The transmission bar is arranged on the periphery of the tooling table, the end of the transmission bar is bent towards the side of the center of the tooling table and forms limiting groove, the first roller is arranged in the limiting groove.

4. The trajectory guide of claim 2, wherein: The number of the first roller and the second roller is different, the pneumatic cylinder can switch the position of the first roller and the second roller abutting on the transmission bar.

5. A trajectory guide according to any one of claims 2 to 4, wherein: The second roller is rotationally arranged on the mounting seat, the guide assembly further includes first connecting rod and sliding seat, the second roller is installed on the first connecting rod, the sliding seat is linearly arranged on the mounting seat, the pneumatic cylinder is used to drive the sliding seat to move, the sliding seat is transmission matched with the first connecting rod, to drive the second roller to switch position.

6. The trajectory guide of claim 5, wherein: The first connecting rod is rotationally sleeved with vertical sleeve rod, the vertical sleeve rod is fixedly connected with annular sleeve plate, one end of the annular sleeve plate away from the vertical sleeve rod is connected to the second roller, the sliding seat is provided with transmission groove, the transmission groove is arranged along the sliding direction perpendicular to the sliding seat, part of the vertical sleeve rod is placed in the transmission groove and is pushed by the groove wall of the transmission groove, to drive the second roller to swing around the first roller, to switch the position of the second roller.

7. The trajectory guide of claim 5, wherein: The mounting seat is provided with slide rail, the sliding seat is provided with sliding block seat, the slide rail is matched with the sliding block seat to guide the movement of the sliding seat.

8. The trajectory guide of claim 7, wherein: The driving device further includes driving gear and driven gear, the guide assembly further includes second connecting rod, the driving gear and the first roller are fixed on the two ends of the second connecting rod respectively, the driven gear and the second roller are fixed on the two ends of the first connecting rod respectively, the driven gear is meshed with the driving gear.

9. The trajectory guide of claim 8, wherein: The driving device includes second transmission wheel, transmission belt and driving motor, the second connecting rod is fixedly connected with first transmission wheel, the second transmission wheel is fixedly connected with the driving shaft of the driving motor, the two ends of the transmission belt are sleeved with the first transmission wheel and the second transmission wheel respectively.

10. An automatic tracking processing station, characterized by: It includes the track guiding mechanism as claimed in any one of claims 1 to 9.

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