Lifting and rotating synchronous movement mechanism

Abstract

The utility model relates to a kind of lifting and rotating synchronous movement mechanism, comprising: shell, its top is equipped with opening;Lifting structure, setting in shell and being located below opening, lifting structure has fixed end and sliding end, sliding end is slidable along vertical direction relative to fixed end;Rotary structure, rotatably set in shell, and it is arranged around lifting structure;Guiding stable structure, setting between lifting structure and rotary structure, wherein, the both ends of guiding stable structure are connected with lifting structure and rotary structure respectively, for limiting the relative position of lifting structure and rotary structure;Through the above design, the lifting and rotating integrated design of compact structure is realized.And by guiding stable structure using mutually coordinated first guide member and second guide member, lifting structure can realize synchronous rotation with rotary structure under the guidance constraint while carrying out vertical movement, to realize synchronous movement.

Description

Technical Field

[0001] This utility model relates to the field of drive mechanism technology, specifically to a lifting and rotating synchronous motion mechanism. Background Technology

[0002] Currently, in fields such as automated equipment, precision assembly mechanisms, and experimental instruments, it is often necessary to achieve combined lifting and rotational movements of actuators to complete operations such as multi-station switching, workpiece positioning, or tool posture adjustment within a limited space. To address this, existing technologies commonly employ a composite drive scheme with independently arranged "lifting mechanism + rotating mechanism," where lifting motion is achieved through a linear drive device, and rotational motion is achieved through a motor or rotating connecting component assembly, with both mechanisms linked and controlled in a control system.

[0003] However, such independently driven composite structures generally suffer from the following problems: First, the independent arrangement of the lifting and rotating mechanisms results in a large overall structural volume and low space utilization, making them unsuitable for integration into compact equipment or multi-degree-of-freedom actuators; second, the synchronization of lifting and rotating movements relies on the coordination of the control system rather than the constraints of the structure itself, which can easily lead to problems such as asynchronous movement, transmission delay, or phase deviation, affecting positioning accuracy; third, existing drive lines and air circuits are usually introduced from different directions, and when the actuator rotates, the air pipes and cables are prone to entanglement, twisting, or stretching deformation, which can cause pipeline damage or signal interruption, and in severe cases, even affect the long-term stable operation of the equipment; in addition, to avoid air circuit entanglement, some solutions add rotary joints or slip ring structures to the rotating parts, but such structures are usually more expensive, more complex to maintain, and prone to introducing hidden dangers such as leakage and poor contact.

[0004] Therefore, how to achieve synchronous, stable, and compact composite motion of lifting and rotation within a limited space through a structured design has become a key technical problem that urgently needs to be solved by those skilled in the art. Consequently, it is necessary to study and improve the structure of the synchronous lifting and rotation mechanism; to solve the above problems, the concept of this application is proposed. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art. This application provides a synchronous motion mechanism for lifting and rotating to solve the technical problem of how to achieve synchronous, stable and compact composite motion of lifting and rotating in a limited space through a structured design.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a synchronous motion mechanism for lifting and rotating, comprising: a housing with an opening at its top; a lifting structure disposed within the housing and below the opening, the lifting structure having a fixed end and a sliding end, the sliding end being slidable relative to the fixed end in a vertical direction; a rotating structure rotatably disposed within the housing and arranged around the lifting structure; and a guiding and stabilizing structure disposed between the lifting structure and the rotating structure, wherein both ends of the guiding and stabilizing structure are respectively connected to the lifting structure and the rotating structure, for defining the relative positions of the lifting structure and the rotating structure. Thus, by providing a guiding and stabilizing structure between the lifting structure and the rotating structure, this guiding and stabilizing structure not only constrains the direction of movement of the lifting structure but also transmits the linear displacement of the lifting structure to the rotating structure, thereby driving the lifting structure to rotate through the rotating structure, thereby achieving a compact synchronous linkage of lifting and rotating, and significantly improving the stability of the motion.

[0007] Preferably, the guiding and stabilizing structure is a linear guiding structure, including a first guiding member and a second guiding member that slides with the first guiding member. The first guiding member is fixedly connected to the rotating structure, and the second guiding member is fixedly connected to the lifting structure. When the lifting structure moves up and down, its sliding end moves in the vertical direction, causing the second guiding member to slide on the first guiding member; at the same time, the rotation of the rotating structure is transmitted to the second guiding member through the first guiding member, so that the lifting structure rotates synchronously.

[0008] Preferably, the lifting and rotating synchronous motion mechanism includes multiple guiding and stabilizing structures, which are arranged at intervals along the circumference of the lifting structure. This arrangement of multiple guiding and stabilizing structures significantly improves the smoothness and anti-overturning capability of the lifting motion, enabling the lifting structure to maintain high-precision vertical synchronization even during high-speed or heavy-load operation.

[0009] Preferably, a ring-shaped transmission structure is provided between the rotating structure and the guiding and stabilizing structure. The outer side of the transmission structure is fixed to the rotating structure, and the inner side of the transmission structure is fixed to the guiding and stabilizing structure. This ring-shaped transmission structure achieves uniform force distribution, effectively reducing vibration and wear caused by off-center loading, and making the movement of the lifting structure more stable.

[0010] Preferably, a first rotating connector is provided between the transmission structure and the housing, and the transmission structure is rotatably connected to the housing through the first rotating connector. This effectively reduces friction between the transmission structure and the housing, improving rotational sensitivity and accuracy; at the same time, the introduction of the bearing structure can absorb the radial load during rotation, ensuring the stability and durability of the system during high-speed operation.

[0011] Preferably, a second rotating connector is provided between the lifting structure and the guiding and stabilizing structure, allowing the lifting structure to be rotatably connected to the guiding and stabilizing structure via the second rotating connector. The second rotating connector enables the lifting structure to maintain vertical lifting while possessing rotational freedom, thereby achieving synchronous control of lifting and rotation in the overall structure. This structure significantly reduces the frictional stress of the guiding structure, extends its service life, and improves overall balance.

[0012] Preferably, the lifting structure is equipped with a linear position detector; the linear position detector includes a linear grating ruler and a reading head; the linear grating ruler is arranged along the lifting direction of the lifting structure, and the reading head is installed at a position corresponding to the linear grating ruler. This allows for the reading of its scale signal. The introduction of the grating ruler enables displacement detection, significantly improving the lifting control accuracy, and is particularly suitable for precision assembly or optical adjustment applications.

[0013] Preferably, a lifting platform is fixed to the top of the second rotating connector. The lifting platform is fixedly installed on the upper part of the second rotating connector, so that it can rise and fall and rotate synchronously with the lifting structure as a whole, thereby enabling the lifting platform to maintain stable support during the rising and rotating process.

[0014] Preferably, a guide connector is provided between the rotating structure and the housing, and the rotating structure is connected to the housing through the guide connector.

[0015] Preferably, there is a cavity channel between the lifting structure and the rotating structure to accommodate cables or air lines to prevent entanglement.

[0016] Compared with the prior art, this utility model has at least the following beneficial effects: A synchronous lifting and rotating motion mechanism includes: a housing with an opening at its top; a lifting structure disposed within the housing and below the opening, the lifting structure having a fixed end and a sliding end, the sliding end being slidable vertically relative to the fixed end; a rotating structure rotatably disposed within the housing and arranged around the lifting structure; and a guiding and stabilizing structure disposed between the lifting structure and the rotating structure, wherein both ends of the guiding and stabilizing structure are respectively connected to the lifting structure and the rotating structure, used to define the relative positions of the lifting structure and the rotating structure. Through the above design, a compact integrated lifting and rotating mechanism is achieved, enabling the lifting structure to move vertically while simultaneously rotating synchronously with the rotating structure under guiding constraints. This creates a mechanical coupling between the lifting and rotating actions, achieving precise synchronous motion without additional control coordination. This design effectively avoids the problems of asynchronous motion, transmission delay, and complex control present in traditional independent drive mechanisms, significantly improving motion stability and repeatability.

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is an exploded structural diagram of the present invention; Figure 3 This is a top view of the structure of this utility model; Figure 4 This utility model Figure 3 A schematic diagram of the cross-sectional structure; Figure 5 This is a partially exploded structural diagram of the present invention.

[0019] Reference numerals: 1. Housing; 11. Opening; 2. Lifting structure; 21. Lifting platform; 22. Connecting rod; 3. Rotating structure; 4. Guiding and stabilizing structure; 41. First guide member; 42. Second guide member; 43. Fixing ring; 5. Transmission structure; 6. Linear position detector; 61. Linear grating ruler; 62. Reading head; 63. Fixing block; 7. First rotating connector; 8. Second rotating connector; 9. Cavity channel. Detailed Implementation

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Detachable installation methods are varied, such as through plug-in and snap-fit ​​connections, or through bolt connections, etc.

[0021] The present invention will now be described in more detail with reference to specific embodiments. However, the implementation of the present invention is not limited thereto. The embodiments are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. For process parameters or conditions not specifically specified, conventional techniques can be referred to.

[0022] Please see Figures 1-5As shown, the technical solution adopted in this specific embodiment is: a lifting and rotating synchronous motion mechanism, comprising: a housing 1 with an opening 11 at its top; a lifting structure 2 disposed within the housing 1 and located below the opening 11, the lifting structure 2 having a fixed end and a sliding end, the sliding end being slidable relative to the fixed end in a vertical direction; a rotating structure 3 rotatably disposed within the housing 1 and arranged around the lifting structure 2; and a guiding and stabilizing structure 4 disposed between the lifting structure 2 and the rotating structure 3, wherein the two ends of the guiding and stabilizing structure 4 are respectively connected to the lifting structure 2 and the rotating structure 3, for defining the relative positions of the lifting structure 2 and the rotating structure 3.

[0023] In this embodiment, the lifting and rotating synchronous motion mechanism is entirely housed inside the housing 1. The top of the housing 1 has an opening 11 for the lifting structure 2 to pass through or to engage with external components. The lifting structure 2 is vertically positioned within the housing 1 and can slide vertically to achieve precise lifting motion. The rotating structure 3 is arranged around the lifting structure 2 and can rotate relative to the housing 1, thus achieving overall rotation. A guiding and stabilizing structure 4 is located between the lifting structure 2 and the rotating structure 3 to link their movements, ensuring that the lifting structure 2 maintains synchronization with the rotating structure 3 while lifting. By providing the guiding and stabilizing structure 4 between the lifting structure 2 and the rotating structure 3, synchronization of lifting and rotating motion is achieved, improving motion smoothness and control accuracy. Simultaneously, the housing 1 effectively protects the internal mechanisms from dust or external interference, thereby improving the durability and reliability of the device.

[0024] The guiding and stabilizing structure 4 is a linear guiding structure, including a first guiding member 41 and a second guiding member 42 that slides in cooperation with the first guiding member 41. The first guiding member 41 is fixedly connected to the rotating structure 3, and the second guiding member 42 is fixedly connected to the lifting structure 2, forming a sliding cooperation relationship between them. Preferably, the first guiding member 41 and the second guiding member 42 are a guide rail and a slider, respectively. In this embodiment, when the lifting structure 2 rises and falls, its sliding end moves in the vertical direction, causing the second guiding member 42 to slide on the first guiding member 41; at the same time, the rotation of the rotating structure 3 is transmitted to the second guiding member 42 through the first guiding member 41, causing the lifting structure 2 to rotate synchronously. In this way, the lifting structure 2 rotates simultaneously during the rising and falling process, while the rotating structure 3 only rotates without rising or falling, achieving compact synchronous motion. In addition, the second guiding member 42 can be fixed to the lifting structure 2 by a fixing ring 43, wherein the fixing ring 43 is sleeved and fixed on the outside of the lifting structure 2. It should be noted that the first guide member 41 can be a rolling first guide member 41, a sliding first guide member 41, or a linear slide rail to meet different accuracy and load requirements; in addition, the second guide member 42 can be designed as a double slider structure to improve the guiding rigidity and resistance to eccentric load.

[0025] In some embodiments, a guide connector is provided between the rotating structure 3 and the housing 1, and the rotating structure 3 is connected to the housing 1 through the guide connector. The guide connector is a bearing assembly, the outer ring of which is fixed to the housing 1, and the inner ring is fixed to the rotating structure 3. The bearing assembly is a bearing assembly that allows axial movement. Specifically, the bearing is a crossed roller bearing or a needle roller bearing; the outer ring of the crossed roller bearing or needle roller bearing is fixed to the housing 1, and the inner ring is fixed to the rotating structure 3. The rotating structure 3 is not completely fixed, but is connected to the housing 1 through a sliding bearing or a linear bearing, and a lifting space is provided within the housing 1 to allow the rotating structure 3 to move vertically in a limited manner. Since the two ends of the guide stabilizing structure 4 are connected to the lifting structure 2 and the rotating structure 3 respectively, it is used to constrain the relative positions of the two. When the lifting structure 2 rises and falls, the rotating structure 3 may rise and fall along with the lifting structure 2 through the guidance of the guide stabilizing structure 4, and the rotational motion of the rotating structure 3 is transmitted to the lifting structure 2 through the guide stabilizing structure 4. This design is suitable for situations where a rotating structure 3 is required to participate in lifting, but the overall lifting and rotation are still synchronized.

[0026] The lifting and rotating synchronous motion mechanism includes multiple guiding and stabilizing structures 4, which are arranged at intervals along the circumference of the lifting structure 2. In this embodiment, multiple guiding and stabilizing structures 4 are equally spaced along the circumference of the lifting structure 2, for example, three or four groups. Each guiding structure includes a first guiding member 41 and a second guiding member 42, and they are all arranged in the same structural form, so that the lifting structure 2 can maintain a balanced force state when sliding vertically and prevent swaying. However, by setting multiple groups of guiding and stabilizing structures 4, the smoothness and anti-overturning ability of the lifting motion can be significantly improved, so that the lifting structure 2 can still maintain high-precision vertical synchronization when running at high speed or heavy load; in addition, the load on a single group of guiding members can be reduced, and the overall service life can be improved. It should be noted that the number of guiding and stabilizing structures 4 can be determined according to the actual load and installation space, preferably three groups distributed at 120° intervals. It can be understood that, viewed from the top, the interval layout of these three groups of structures forms an equilateral triangle.

[0027] A ring-shaped transmission structure 5 is provided between the rotating structure 3 and the guiding and stabilizing structure 4. The outer side of the transmission structure 5 is fixed to the rotating structure 3, and the inner side of the transmission structure 5 is structurally fixed to the guiding and stabilizing structure 4. In this embodiment, a ring-shaped transmission structure 5 is provided between the guiding and stabilizing structure 4 and the rotating structure 3 to uniformly transmit the torque of the rotating structure 3 to each guiding and stabilizing structure 4. The outer ring of the transmission structure 5 is fixedly connected to the rotating structure 3, and the inner ring is used to install the first guiding member 41 or connect the guiding assembly, thereby realizing coordinated driving of lifting and rotation. However, by achieving uniform force distribution through the ring-shaped transmission structure 5, vibration and wear caused by off-center loading can be effectively reduced, making the movement of the lifting structure 2 more stable; at the same time, the ring-shaped arrangement is compact, occupies little space, and is conducive to the overall lightweight structure and symmetrical arrangement. It should be noted that the ring-shaped transmission structure 5 is a hollow ring-shaped component.

[0028] The inner side of the transmission structure 5 is provided with a protruding mounting portion, which is arranged correspondingly to the guide stabilizing structure 4 for fixing the first guide member 41 of the guide stabilizing structure 4. In this embodiment, the inner side of the transmission structure 5 is provided with several evenly distributed protruding mounting portions, each corresponding to the first guide member 41 of the guide stabilizing structure 4, for fixing the first guide member 41. Through this design, the first guide member 41 can be directly assembled onto the mounting portion without additional connecting parts, resulting in a compact structure and high assembly accuracy. This scheme simplifies the installation method of the first guide member 41, reduces assembly errors and the number of parts; at the same time, the protruding design of the mounting portion enhances the connection strength between the first guide member 41 and the transmission structure 5, improving overall rigidity and reliability. It should be noted that the mounting portion can be formed by integral casting or threaded connection; in other embodiments, the mounting portion is set as a detachable module for later maintenance and replacement of the first guide member 41.

[0029] The lifting structure 2 is equipped with a linear position detector 6; the linear position detector 6 includes a linear grating ruler 61 and a reading head 62; the linear grating ruler 61 is arranged along the lifting direction of the lifting structure 2, and the reading head 62 is installed at a corresponding position to the linear grating ruler 61 and can read its scale signal. In this embodiment, the linear grating ruler 61 is fixed to the outside of the lifting structure 2, and the reading head 62 is fixed to the outside of the lifting structure 2 by a fixing block 63 and corresponds to the linear grating ruler 61. As the lifting structure 2 moves up and down, the reading head 62 reads the grating ruler scale signal in real time, realizing high-precision displacement detection. However, by introducing the grating ruler, displacement detection can be realized, significantly improving the lifting control accuracy, which is particularly suitable for precision assembly or optical adjustment applications. It should be noted that, in addition to using the linear grating ruler 61 and the reading head 62, non-contact detection methods such as magnetic grating rulers and laser ranging modules can also be used to replace the grating ruler structure to meet different accuracy or environmental requirements.

[0030] In addition, the rotating structure 3 is provided with a rotation position detector; the rotation position detector includes a linear grating ruler 61 and a reading head 62; the linear grating ruler 61 is arranged along the rotation direction of the rotating structure 3, and the reading head 62 is installed at a position corresponding to the linear grating ruler 61 and can read its scale signal; the rotation position detector is used to detect the angular displacement of the rotating structure 3.

[0031] A first rotating connector 7 is provided between the transmission structure 5 and the housing 1, and the transmission structure 5 is rotatably connected to the housing 1 through the first rotating connector 7. Preferably, the first rotating connector 7 is a rotary bearing. In this embodiment, one rotating part of the first rotating connector 7 is fixed to the top of the transmission structure 5, and the other rotating part of the first rotating connector 7 is fixed to the housing 1. This allows the transmission structure 5 to rotate relative to the housing 1. Consequently, the transmission structure 5 can achieve smooth rotation with low friction inside the housing 1. However, the provision of the first rotating connector 7 can effectively reduce the friction between the transmission structure 5 and the housing 1, and improve rotational sensitivity and accuracy; at the same time, the introduction of the bearing structure can also absorb the radial load during rotation, ensuring the stability and durability of the system during high-speed operation.

[0032] It should be noted that the first rotating connecting member 7 can adopt a deep groove ball bearing, crossed roller bearing or thin-walled bearing structure to meet different space and load requirements; in addition, a double bearing symmetrical arrangement can be set between the housing 1 and the transmission structure 5 to further improve rotational rigidity and resistance to eccentric load.

[0033] A second rotating connector 8 is provided between the lifting structure 2 and the guiding and stabilizing structure 4, allowing the lifting structure 2 to be rotatably connected to the guiding and stabilizing structure 4 via the second rotating connector 8. In this embodiment, the second rotating connector 8 is provided between the second guiding member 42 of the guiding and stabilizing structure 4 and the lifting structure 2, enabling the lifting structure 2 to rotate relative to the second guiding member 42. Through this design, the lifting structure 2 can rotate synchronously relative to the guiding component while sliding vertically. Furthermore, the second rotating connector 8 allows the lifting structure 2 to maintain vertical lifting while possessing rotational freedom, thereby achieving synchronous control of lifting and rotation in the overall structure; it also significantly reduces the frictional stress of the guiding structure, extends its service life, and improves overall balance.

[0034] It should be noted that the second rotating connecting member 8 can be an angular contact ball bearing or a tapered roller bearing to accommodate the axial and radial loads of the compound motion; in addition, a turntable-type rotating support ring structure can be adopted so that the lifting platform 21 can directly achieve synchronous rotation and lifting through the turntable.

[0035] A lifting platform 21 is fixed to the top of the second rotating connector 8. In this embodiment, the lifting platform 21 is fixedly installed on the upper part of the second rotating connector 8, allowing it to rise and fall and rotate synchronously with the lifting structure 2, thus ensuring stable support during lifting and rotation. Additionally, the upper surface of the lifting platform 21 can be used to mount external workpieces, fixtures, or detection devices, enabling precise position adjustment of the workpiece. This design ensures stable support for the lifting platform 21 during lifting and rotation, avoiding cumulative errors caused by multi-point installation. Simultaneously, the fixed design between the lifting platform 21 and the second rotating connector 8 improves force transmission rigidity and repeatability, making it particularly suitable for high-precision adjustment or automated assembly applications. Specifically, the lifting platform 21 is fixed to the second rotating connector 8 connected to the outside of the lifting structure 2 via connecting rods 22. Multiple connecting rods 22 can be used to further enhance stability.

[0036] It should be noted that the lifting platform 21 can be made into a circular, square or ring structure to match different installation spaces; in addition, vibration isolation pads or flexible support layers can be set between the platform and the bearing to reduce the impact of vibration on the upper workpiece.

[0037] The lifting structure 2 is a voice coil motor. In this embodiment, the lifting structure 2 uses a voice coil motor as the driving element. The moving part of the voice coil motor is fixedly connected to the second rotating connecting member 8, and the stator part is fixed inside the housing 1. When energized, the moving part generates precise linear motion in the vertical direction, realizing contactless and frictionless lifting drive. This solves the problems of slow response and large size of traditional lead screw or cylinder drives, and improves the sensitivity of linear drive. It should be noted that the voice coil motor can be a direct drive structure.

[0038] The rotating structure 3 is a torque motor, which serves as the drive source in this embodiment. The stator of the torque motor is fixed to the housing 1, and the rotor is fixedly connected to the transmission structure 5. When energized, the rotating structure 3 can achieve high-precision angular displacement control, thereby driving the guide stabilization structure 4 and the lifting platform 21 to rotate synchronously. This design solves the problem of complex structures caused by gears or couplings in traditional rotating mechanisms by achieving direct rotation drive through a non-contact electromagnetic drive method. Furthermore, this design simplifies the transmission chain structure, reduces mechanical wear, and improves the overall system lifespan and operational smoothness. It should be noted that the torque motor can adopt a hollow shaft structure for internal wiring or ventilation. In addition, in some other embodiments, a servo motor combined with a harmonic reduction mechanism can be used to achieve rotational drive, obtaining similar rotational accuracy at a low cost.

[0039] A hollow channel 9 is provided between the lifting structure 2 and the rotating structure 3 to accommodate cables or air lines and prevent tangling. In this embodiment, a hollow channel space is formed between the lifting structure 2 and the rotating structure 3, through which cables and air lines extend to external equipment. This design keeps the cables slack during rotation, preventing tangling or pulling due to lifting or rotation. Furthermore, the arrangement of the hollow channel 9 effectively solves the problems of cable tangling and breakage in traditional mechanisms; simultaneously, the cavity also provides protection and isolation, improving the safety and overall reliability of the system wiring.

[0040] It should be noted that the cavity channel 9 can be arranged coaxially to improve structural symmetry and balance; in addition, in some other embodiments, a rotary joint or slip ring device can be installed inside the channel to achieve continuous transmission of signals and power.

[0041] In practical use, when the equipment is in operation, the rotating structure 3 drives the transmission structure 5 to rotate around the central axis through electromagnetic driving torque. Since the first guide member 41 of the guiding and stabilizing structure 4 is fixed inside the transmission structure 5, and the second guide member 42 is fixed on the lifting structure 2, the rotation of the rotating structure 3 will drive the first guide member 41 to rotate synchronously, thereby causing the second guide member 42 to slide relative to the first guide member 41, thus realizing the synchronous rotation of the lifting structure 2.

[0042] Simultaneously, the lifting structure 2 generates precise linear displacement in the vertical direction. The lifting structure 2 is a voice coil motor. Under the action of electromagnetic force, the mover of the voice coil motor moves up and down relative to the stator, causing the lifting structure 2 to drive the second guide member 42 to slide within the first guide member 41. Since the first guide member 41 is in a rotating state, the lifting structure 2 is forced to rotate while moving up and down in the vertical direction, thus forming a composite synchronous motion of lifting and rotation.

[0043] To ensure stability and precision of the motion, the lifting structure 2 and the guiding and stabilizing structure 4 are rotatably connected via a second rotating connector 8, and the transmission structure 5 and the housing 1 are supported via a first rotating connector 7. This allows for coaxial rotation between two independent rotating support points, ensuring stable support and low-friction operation of the entire system during high-precision lifting and rotation. The lifting platform 21 is mounted above the second rotating connector 8 and is used to carry workpieces or fixtures, enabling precise attitude adjustment and spatial positioning.

[0044] In addition, the linear position detector 6, namely the linear grating ruler 61 and the reading head 62, set in the system can detect the lifting displacement signal in real time, realize closed-loop control, and ensure lifting accuracy.

[0045] The cavity channel 9 located between the lifting structure 2 and the rotating structure 3 is used to accommodate cables and air lines, keeping these lines free during rotation and lifting to prevent tangling or damage.

[0046] The foregoing, in conjunction with the embodiments and accompanying drawings, has clearly and completely described the concept, specific structure, and technical effects of this utility model, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions.

[0047] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A synchronous motion mechanism for lifting and rotating, characterized in that, include: The housing has an opening at its top; A lifting structure is disposed inside the housing and located below the opening. The lifting structure has a fixed end and a sliding end, and the sliding end is slidable relative to the fixed end in a vertical direction. A rotating structure is rotatably disposed within the housing and arranged around the lifting structure; A guiding and stabilizing structure is disposed between the lifting structure and the rotating structure. The two ends of the guiding and stabilizing structure are respectively connected to the lifting structure and the rotating structure, which are used to define the relative positions of the lifting structure and the rotating structure.

2. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, The guiding and stabilizing structure is a linear guiding structure, including a first guiding member and a second guiding member that slides with the first guiding member. The first guiding member is fixedly connected to the rotating structure, and the second guiding member is fixedly connected to the lifting structure.

3. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, The lifting and rotating synchronous motion mechanism includes multiple guiding and stabilizing structures, which are arranged at intervals along the circumference of the lifting structure.

4. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, A ring-shaped transmission structure is provided between the rotating structure and the guiding and stabilizing structure. The outer side of the transmission structure is fixed to the rotating structure, and the inner side of the transmission structure is fixed to the guiding and stabilizing structure.

5. The lifting and rotating synchronous motion mechanism according to claim 4, characterized in that, A first rotating connector is provided between the transmission structure and the housing. The transmission structure is rotatably connected to the housing via the first rotating connector.

6. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, A second rotating connector is provided between the lifting structure and the guiding and stabilizing structure. The lifting structure is rotatably connected to the guide stabilizing structure via the second rotating connector.

7. The lifting and rotating synchronous motion mechanism according to claim 6, characterized in that, A lifting platform is fixed to the top of the second rotating connector.

8. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, The lifting structure is equipped with a linear position detector; The linear position detector includes a linear grating ruler and a reading head; The linear grating ruler is arranged along the lifting direction of the lifting structure, and the reading head is installed at the corresponding position of the linear grating ruler.

9. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, A guide connector is provided between the rotating structure and the housing, and the rotating structure is connected to the housing through the guide connector.

10. The lifting and rotating synchronous motion mechanism according to claim 1, characterized in that, The lifting structure and the rotating structure have a cavity channel for accommodating cables or air lines.

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