Track guiding mechanism and automatic tracking processing workstation

Abstract

The invention discloses a track guiding mechanism and an automatic tracking processing workstation, and relates to the technical field of welding equipment, the track guiding mechanism comprises a tool table and a guiding assembly, the tool table is used for installing a welding workpiece, the tool table is fixedly connected with a transmission strip, and the transmission strip is arranged in a plane and forms a closed loop route. The 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 strip and drives the tool table to translate along a closed-loop route, and the closed-loop route is at least partially overlapped with the welding machining path of the welded workpiece. The roller component abuts against and clamps the transmission strip and drives the transmission strip to move, so that the tool table has a set transmission strip route, the welding head and the guide assembly are relatively fixed, the welding head can complete automatic welding according to the set route set by the transmission strip, manual welding operation is not needed, and therefore the welding machining precision is improved.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, and in particular to a trajectory guiding mechanism and an automatic tracking processing workstation having a trajectory guiding mechanism. Background Technology

[0002] Welding machines join fabrics together by heating. In related technologies, welding machines are equipped with heating joints and the welding process is carried out with manual assistance. Manual operation lacks precise guidance, which can easily lead to deviations in the welding path, resulting in low processing accuracy. Furthermore, the heat during welding is easily dissipated, causing wrinkles, deformations, and shiny edges at the edges of the welding area, which affects both aesthetics and quality. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention proposes a trajectory guiding mechanism, which can guide the welding process and has the advantage of improving the welding process accuracy.

[0004] The present invention also proposes an automatic tracking processing workstation having the above-mentioned trajectory guidance mechanism.

[0005] The trajectory guidance mechanism according to the present invention includes: A tooling table is used to install welding workpieces. A transmission bar is fixedly connected to the tooling table. The transmission bar is arranged in a plane and forms a closed loop. A guiding assembly includes a mounting base, a roller component, and a driving device. The roller component and the driving device are both mounted on the mounting base. The driving device is used to drive the roller component to rotate. The roller component abuts against the transmission bar and drives the tooling table to translate along the closed loop path. The closed loop path at least partially overlaps with the welding processing path of the welding workpiece.

[0006] The trajectory guiding mechanism according to the present invention has at least the following beneficial effects: the guiding component presses and clamps the transmission bar through the roller component, driving the transmission bar to move, so that the tooling table has a set transmission bar route, and the distance from the axis of the roller component of the guiding component to the transmission bar remains unchanged, that is, the distance between the welding joint and the side wall of the transmission bar remains unchanged. In some welding applications, the welding joint and the guiding component are relatively fixed, and the welding joint can complete automatic welding according to the predetermined route set by the transmission bar, without the need for manual welding operation, which improves the accuracy of welding processing, thereby ensuring production quality and reducing production costs.

[0007] According to some embodiments of the present invention, the track guiding mechanism includes a first roller and a second roller, the first roller and the second roller being respectively arranged on both sides of the transmission bar, and a cylinder being mounted on the mounting base. The cylinder is used to push the second roller to move along the side facing the first roller, so as to drive both the first roller and the second roller to press against the transmission bar for transmission.

[0008] According to some embodiments of the present invention, the transmission bar is disposed around the periphery of the tooling table, the end of the transmission bar is bent toward the center of the tooling table to form a limiting groove, and the first roller is disposed in the limiting groove.

[0009] According to some embodiments of the present invention, the number of the first roller and the number of the second roller are different, and the cylinder is capable of switching the position of the first roller and the second roller abutting the transmission bar.

[0010] According to some embodiments of the present invention, the second roller is rotatably disposed on the mounting base. The guiding assembly further includes a first connecting rod and a sliding seat. The second roller is mounted on the first connecting rod. The sliding seat is slidably disposed on the mounting base in a linear direction. The cylinder is used to drive the sliding seat to move. The sliding seat is in transmission cooperation with the first connecting rod to drive the second roller to switch positions.

[0011] According to some embodiments of the present invention, the first connecting rod is rotatably sleeved with a vertical sleeve rod, the vertical sleeve rod is fixedly connected to an annular sleeve plate, one end of the annular sleeve plate opposite to the vertical sleeve rod is connected to the second roller, the sliding seat is provided with a transmission groove, the transmission groove is arranged along a sliding direction perpendicular to the sliding seat, a portion of the vertical sleeve rod is placed in the transmission groove and, under the pressure of the groove wall, drives the second roller to swing around the first roller to switch the position of the second roller.

[0012] According to some embodiments of the present invention, the mounting base is provided with a slide rail, the sliding seat is provided with a slider seat, and the slide rail and the slider seat cooperate to guide the movement of the sliding seat.

[0013] According to some embodiments of the present invention, the driving device further includes a driving gear and a driven gear, and the guiding assembly further includes a second connecting rod. The driving gear and the first roller are respectively fixed to both ends of the second connecting rod, and the driven gear and the second roller are respectively fixed to both ends of the first connecting rod. The driven gear meshes with the driving gear for transmission.

[0014] According to some embodiments of the present invention, the trajectory guidance mechanism includes a second transmission wheel, a transmission belt, and a drive motor. A first connecting rod is fixedly connected to a first transmission wheel, the first transmission wheel is fixedly connected to the first connecting rod, the second transmission wheel is fixedly connected to the drive shaft of the drive motor, and the two ends of the transmission belt are respectively sleeved on the first transmission wheel and the second transmission wheel.

[0015] The automatic tracking machining workstation according to the present invention includes the trajectory guidance mechanism described in the present invention.

[0016] The automatic tracking machining workstation according to the present invention has at least the following beneficial effects: the tooling table has a set transmission bar route, the distance between the welding joint and the side wall of the transmission bar remains unchanged, the welding joint can automatically complete the welding process according to the set transmission bar route, effectively avoiding the errors and instabilities that may be caused by manual operation, greatly improving the accuracy of welding process, reducing the scrap rate caused by quality problems, and reducing production costs.

[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the trajectory guidance mechanism according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the guide component according to an embodiment of the present invention; Figure 3 This is a cross-sectional view of the guiding component according to an embodiment of the present invention; Figure 4 This is a cross-sectional view of the driving device according to an embodiment of the present invention; Figure 5 This is an exploded view of a portion of the structure of the guiding component according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the structure of the annular sleeve plate and the vertical sleeve plate in an embodiment of the present invention.

[0019] Explanation of icon numbers: Tooling table 100; transmission bar 110; linear trajectory 111; arc trajectory 112; limit groove 120; pulley 130; mounting plate 140; transmission plate 150; Guide component 200; Roller component 210; First roller 211; Second roller 212; Drive unit 220; first transmission wheel 221; second transmission wheel 222; transmission belt 223; drive motor 224; driving gear 225; driven gear 226; First connecting rod 230; Second connecting rod 231; Annular sleeve plate 240; vertical sleeve rod 241; sliding seat 242; slider seat 2421; transmission groove 2422; cylinder 243; Mounting base 250; slide rail 251. Detailed Implementation

[0020] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this 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, they should not be construed as limiting this invention.

[0022] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0023] In the description of this invention, unless otherwise explicitly defined, terms such as "setting," "installing," and "connecting" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0024] In the description of this invention, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] Welding is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature, or high pressure. It involves melting the materials at the joint under high temperature or high pressure to form a strong welded joint. In related technologies, welding equipment typically includes a tooling table and a welding head. The parts to be welded are placed on the tooling table, and the welding head or the parts to be welded are manually operated to complete the welding process. However, manual welding often results in inconsistent accuracy and high processing costs.

[0026] Therefore, such as Figures 1 to 6 As shown, the trajectory guiding mechanism proposed in this invention includes a tooling table 100 and a guiding component 200. The tooling table 100 is used to mount the workpiece to be welded. A pulley 130 is provided at the bottom of the tooling table 100. A transmission bar 110 is fixedly connected to the tooling table 100. The transmission bar 110 is located on one side of the bottom of the tooling table 100. The transmission bar 110 is arranged in a plane and forms a closed loop route. The guide assembly 200 includes a mounting base 250, a roller component 210, and a drive device 220. The mounting base 250 serves as the basic support structure for the entire guide assembly 200. Both the roller component 210 and the drive device 220 are mounted on the mounting base 250. The drive device 220 is used to drive 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 a closed loop. The pulley 130 at the bottom of the tooling table 100 can cooperate to drive the tooling table 100 to move. The closed loop path at least partially overlaps with the welding processing path of the workpiece. The welding joint is fixedly installed on the guide assembly 200. The distance from the axis of the roller component 210 of the guide assembly 200 to the transmission bar 110 remains unchanged, that is, the distance between the welding joint and the side wall of the transmission bar 110 remains unchanged. In some welding applications, the welding joint is fixed relative to the guide assembly 200. The welding joint can complete automatic welding according to the predetermined route set by the transmission bar 110 without manual operation, which improves the accuracy of welding processing, thereby ensuring production quality and reducing production costs.

[0027] Specifically, refer to Figure 1As shown, the closed-loop path formed by the transmission bar 110 includes multiple arc trajectories 112 and multiple straight trajectories 111. The arc trajectories 112 may have the same or different curvatures, and the multiple straight trajectories 111 and multiple arc trajectories 112 are interspersed. 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 and lower sides of the tooling table 100, respectively, and are connected by a bracket. The transmission plate is an irregular pentagon with rounded corners between the sides, resulting in an aesthetically pleasing appearance. The mounting plate 140 and the transmission plate 150 are proportional. The mounting plate 140 is used to mount the workpiece to be welded, and the transmission bar 110 is mounted on the transmission plate 150. It should be noted that the transmission plate 150 is provided with mounting holes, through which the transmission plate 150 is fitted onto the bracket. Thus, the transmission plate 150 can be easily replaced. For example, if the transmission bar 110 and the transmission plate 150 are integrated, the entire assembly can be replaced with different trajectory paths to adapt to the welding trajectory of different workpieces. Mounting plate 140 and transmission plate 150 can be other shapes, such as triangles, rectangles, trapezoids, or combinations of multiple shapes. In other embodiments, the shape and size of mounting plate 140 and transmission plate 150 can also be different. Here, the specific shape and size of mounting plate 140 and transmission plate 150 are not limited, and the specific shape and size of mounting plate 140 and transmission plate 150 can be changed according to actual welding requirements.

[0028] In some embodiments of the present invention, such as 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 respectively arranged on both sides of the transmission bar 110, which can simultaneously apply force to both sides of the transmission bar 110, making the transmission bar 110 more uniform and stable under force. The first roller 211 and the second roller 212 are the same size, that is, the same diameter and thickness. The first roller 211 and the second roller 212 are driven at the same speed. The driving force on both sides of the transmission bar 110 is uniform and balanced, avoiding problems such as jamming and vibration caused by uneven transmission due to uneven roller size or speed. The mounting base 250 is equipped with a cylinder 243, which is used to push the second roller 212 to move along the side facing the first roller 211, so that both the first roller 211 and the second roller 212 are driven to press against the transmission bar 110. When the part of the transmission bar 110 that is pressed by the roller component 210 changes from a straight trajectory 111 to an arc trajectory 112, the cylinder 243 can push the second roller 212 to move and press it tightly against one side of the transmission bar 110, ensuring that the tooling table 100 moves stably along the closed loop of the transmission bar 110.

[0029] In other embodiments of the present invention, the first roller 211 abuts against the transmission bar 110 for transmission, and the cylinder 243 pushes the second roller 212 to move along the side facing the first roller 211. The second roller 212 abuts against the transmission bar 110 and moves accordingly. That is, when the first roller 211 rotates, the transmission bar 110 moves, thereby driving the second roller 212 to rotate. The following movement of the second roller 212 can reduce the number of moving parts, reduce manufacturing costs, and reduce the probability of wear and failure.

[0030] In some embodiments of the present invention, such as Figure 3 As shown, the transmission bar 110 is disposed around the periphery of the tooling table 100. Due to the inertial force generated when the tooling table 100 turns, or the impact force caused by external vibration, the roller component 210 is easily dislodged from the transmission bar 110. Therefore, the end of the transmission bar 110 is bent toward the center of the tooling table 100 to form a limiting groove 120. The width of the limiting groove 120 is the depth of the limiting groove 120, and the length of the limiting groove 120 is the distance between the two groove walls. The width of the limiting groove 120 is less than the radius of the first roller 211, and the length of the limiting groove 120 is greater than the first roller 211. The first roller 211 is disposed in the limiting groove 120 to restrict the vertical movement of the first roller 211 relative to the transmission bar 110, and to prevent the first roller 211 from dislodging from the transmission bar 110 during the transmission process. This prevents the tooling table 100 from dislodging from the guide component 200 while moving, and ensures the stability of the welding process.

[0031] In some embodiments of the present invention, such as Figures 1 to 3 As shown, since the tooling table 100 has an arc trajectory 112 and a straight trajectory 111, when the roller component 210 transitions from the straight trajectory 111 to the arc trajectory 112, the simple linear arrangement of the first roller 211 and the second roller 212 cannot effectively drive the tooling table 100 to deflect, resulting in poor workpiece welding quality. Therefore, the number of the first roller 211 and the second roller 212 is different; there is one first roller 211 and two second rollers 212. The first roller 211 and the two second rollers 212 are distributed in a triangular structure. When the roller component 210 transitions from a straight trajectory 111 to an arc trajectory 112, the pressure on the two second rollers 212 is inconsistent. The cylinder 243 is fixedly connected to the sliding seat 242, and the two second rollers 212 are driven by the cylinder 243 and the sliding seat 242. The cylinder 243 and the sliding seat 242 work together to drive the two second rollers 212 to deflect around the first roller 211 as a fulcrum, thereby ensuring that the normal of the tangent point between the transmission bar 110 and the first roller 211 remains perpendicular to the line connecting the two second rollers 212. Compared with a single roller or a simple linear arrangement of rollers, the triangular distribution structure can apply a stable and balanced force to the transmission bar 110 from multiple directions, ensuring that the tooling table 100 moves smoothly along the closed loop.

[0032] Specifically, the first roller 211 has a first position and a second position, and the cylinder 243 is a bidirectional telescopic cylinder 243. The cylinder 243 can switch the position 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 facing the center line of the tooling table 100, and the outer side of the transmission bar 110 is the side facing away from the center line of the tooling table 100. When the first roller 211 is in 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 in 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 is understandable that the arc of the transmission trajectory 112 when the first roller 211 is in the first position can be smaller than the arc of the transmission trajectory 112 when the first roller 211 is in the second position. That is, when the first roller 211 is in the first position, the arc of the roller component 210 can be smaller to adapt to the welding requirements of products of various shapes and specifications, thus broadening the application range of the trajectory guiding mechanism and improving its versatility.

[0033] In some embodiments of the present invention, such as Figures 1 to 3 As shown, the second roller 212 is rotatably mounted on the mounting base 250. The guide assembly 200 also includes a first connecting rod 230 and a sliding seat 242. The second roller 212 is mounted on the mounting base 250. There are two first connecting rods 230, which are respectively connected to the two second rollers 212. The sliding seat 242 is slidably mounted on the mounting base 250 in a linear direction. The cylinder 243 is used to drive the sliding seat 242 to move. The sliding seat 242 is in a transmission cooperation with the first connecting rod 230 to drive the second roller 212 to switch positions. The position of the second roller 212 can be flexibly adjusted according to the specific welding processing path requirements of the welded workpiece.

[0034] Furthermore, in some embodiments of the present invention, such as Figure 3 and Figure 5 As shown, the mounting base 250 is provided with slide rails 251, which are located on both sides of the bottom of the mounting base 250 and extend linearly in the direction of movement of the sliding seat 242. The sliding seat 242 is provided with slider seats 2421, and there are two slider seats 2421. The two slider seats 2421 correspond one-to-one with the slide rails 251 on both sides. The slide rails 251 and slider seats 2421 cooperate to guide the movement of the sliding seat 242. The sliding seat 242 can always move stably along the preset linear trajectory, thereby ensuring the stability of the switching position of the second roller 212.

[0035] In some embodiments of the present invention, such as Figure 2 , Figure 3 and Figure 6As shown, a vertical sleeve rod 241 is rotatably sleeved on the first connecting rod 230. The vertical sleeve rod 241 is connected to the first connecting rod 230 via rolling bearings, which are installed on both sides of the end of the vertical sleeve rod 241. An annular sleeve plate 240 is fixedly connected to the vertical sleeve rod 241. The end of the annular sleeve plate 240 facing away from the vertical sleeve rod 241 is connected to the second roller 212. The annular sleeve plate 240 and the second roller 212 are connected via rolling bearings to reduce the frictional resistance of the transmission. The annular sleeve plates 240 are spaced apart to avoid interference when the second roller 212 rotates. The sliding seat 242 is provided with a transmission groove 2422, which is arranged along the sliding direction perpendicular to the sliding seat 242. 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 moves linearly, and part of the vertical sleeve 241 is placed in the transmission groove 2422. Under the pressure of the groove wall of the transmission groove 2422, the second roller 212 is driven to swing around the first roller 211 to switch the position of the second roller 212. The annular sleeve 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 remains unchanged, ensuring that the second roller 212 moves in a circle around the first roller 211.

[0036] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the drive device 220 also includes a driving gear 225 and a driven gear 226. The driven gear 226 meshes with the driving gear 225 for transmission. There are two driven gears 226. The guide assembly 200 also includes a second connecting rod 231. The driving gear 225 and the first roller 211 are respectively fixed to both ends of the second connecting rod 231. The drive device 220 drives the driving gear 225 to rotate, which in turn drives the first roller 211 to rotate through the second connecting rod 231. The driven gear 226 and the second roller 212 are respectively fixed to both ends of the first connecting rod 230. The two driven gears 226 are fixed to the two first connecting rods 230 one-to-one. The driven gear 226 is driven by the driving gear 225, which in turn drives the second roller 212 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 the same external dimensions to ensure stable transmission of the transmission bar 110.

[0037] In some embodiments of the present invention, such as Figure 4As shown, the drive device 220 includes a second transmission wheel 222, a transmission belt 223, and a drive motor 224. The transmission belt 223, serving as the power transmission medium, possesses good elasticity and flexibility. A second connecting rod 231 is fixedly connected to the first transmission wheel 221. The second transmission wheel 222 is fixedly connected to the drive shaft of the drive motor 224. The two ends of the transmission belt 223 are respectively fitted onto the first transmission wheel 221 and the second transmission wheel 222. The drive device 220 has a compact overall structure and is easy to maintain. Simply loosen the tensioning device of the transmission belt 223, remove the old transmission belt 223, install a new transmission belt 223, and readjust the tension. When the drive motor 224 is working, the drive shaft rotates, causing the second transmission wheel 222 to rotate. The second transmission wheel 222 then rotates the transmission belt 223, causing the transmission belt 223 to rotate the first transmission wheel 221. The first transmission wheel 221 is fixedly connected to the second connecting rod 231, thereby causing the second connecting rod 231 to rotate and drive the drive 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 achieve efficient power transmission.

[0038] An automatic tracking machining workstation according to an embodiment of the present invention includes a trajectory guidance mechanism according to an embodiment of the present invention.

[0039] According to the automatic tracking machining workstation of the present invention, by adopting the trajectory guidance mechanism of the present invention, the weld joint can automatically perform welding processing, which ensures the processing accuracy of the welded parts, improves production efficiency and reduces production costs. Other configurations and operations of the automatic tracking machining workstation according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0040] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A trajectory guiding mechanism, characterized in that: include: A tooling table, used for mounting the workpiece to be welded, the tooling table is fixedly connected with a transmission bar, and the transmission bar is arranged in a plane and forms a closed loop route; A guide assembly, wherein the guide assembly includes a mounting seat, a roller component and a driving device, wherein the roller component and the driving device are both mounted on the mounting seat, and the driving device is used to drive the roller component to rotate, wherein the roller component abuts against the transmission bar and drives the workbench to translate along the closed-loop route, and the closed-loop route at least partially overlaps with the welding processing path of the welding workpiece.

2. The trajectory guiding mechanism according to claim 1, characterized in that: The roller component includes a first roller and a second roller, and the first roller and the second roller are respectively arranged on both sides of the transmission bar. The mounting seat is installed with a cylinder, and the cylinder is used to push the second roller to move along a side toward the first roller to drive the first roller and the second roller to press against the transmission bar for transmission.

3. The trajectory guiding mechanism according to claim 2, characterized in that: The transmission bar is arranged on the periphery of the tooling table, and the end of the transmission bar is bent toward one side of the center of the tooling table to form a limiting groove, and the first roller is arranged in the limiting groove.

4. The trajectory guiding mechanism according to claim 2, characterized in that: The number of the first rollers and the number of the second rollers are different, and the cylinder can switch the positions where the first rollers and the second rollers abut against the transmission bar.

5. The trajectory guiding mechanism according to any one of claims 2 to 4, characterized in that: The second roller is rotatably arranged on the mounting seat, and the guide assembly also includes a first connecting rod and a sliding seat. The second roller is mounted on the first connecting rod, and the sliding seat is slidably arranged on the mounting seat along a linear direction. The cylinder is used to drive the sliding seat to move, and the sliding seat cooperates with the first connecting rod to drive the second roller to switch positions.

6. The trajectory guiding mechanism according to claim 5, characterized in that: The first connecting rod is rotatably sleeved with a vertical sleeve rod, and the vertical sleeve rod is fixedly connected with an annular sleeve plate, and the end of the annular sleeve plate facing away from the vertical sleeve rod is connected to the second roller, and the sliding seat is provided with a transmission groove, and the transmission groove is arranged along a 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, driving the second roller to swing around the first roller to switch the position of the second roller.

7. The trajectory guiding mechanism according to claim 5, characterized in that: The mounting seat is provided with a slide rail, and the sliding seat is provided with a slider seat. The slide rail cooperates with the slider seat to guide the movement of the sliding seat.

8. The trajectory guiding mechanism according to claim 7, characterized in that: The driving device also includes a driving gear and a driven gear, and the guide assembly also includes a second connecting rod. The driving gear and the first roller are respectively fixed at two ends of the second connecting rod, and the driven gear and the second roller are respectively fixed at two ends of the first connecting rod. The driven gear is meshed with the driving gear for transmission.

9. The trajectory guiding mechanism according to claim 8, characterized in that: The driving device includes a second transmission wheel, a transmission belt and a driving motor. The second connecting rod is fixedly connected to the first transmission wheel. The second transmission wheel is fixedly connected to the driving shaft of the driving motor. The two ends of the transmission belt are respectively mounted on the first transmission wheel and the second transmission wheel.

10. Automatic tracking processing workstation, characterized by: It comprises a trajectory guiding mechanism as claimed in any one of claims 1 to 9.

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