Auxiliary alignment mechanism for assembling solenoid valve of oil-electric hybrid gearbox

Abstract

The invention relates to the technical field of electromagnetic valve assembly, in particular to an auxiliary alignment mechanism for assembling an electromagnetic valve of an oil-electric hybrid gearbox, which comprises a support frame and an assembly mechanism, a turntable is arranged beside the support frame, and a plurality of first positioning seats are arranged on the turntable; a guide sleeve is mounted on the supporting frame, a mounting head is arranged at the end, close to the guide sleeve, of the assembling mechanism, adaptive guide structures can be conveniently and rapidly replaced according to different types of electromagnetic valves through the detachably mounted guide sleeve, a mechanism body does not need to be adjusted, and the assembling adaptability of the electromagnetic valves of various specifications is enhanced. Accurate positioning of the mounting head is achieved under guiding of the guiding channel, then the valve element is indirectly driven to be aligned with the valve body assembling opening through accurate floating of the mounting head, and compared with the mode that a guiding structure directly makes contact with the valve element for guiding in the prior art, the direct contact frequency of the valve element and the inner wall of the guiding channel is greatly reduced; the risk that the valve element is scratched due to friction and collision is reduced fundamentally.

Description

Technical Field

[0001] This invention relates to the field of solenoid valve assembly technology, specifically to an auxiliary alignment mechanism for assembling solenoid valves in hybrid electric transmissions. Background Technology

[0002] Currently, the assembly of solenoid valves is still mainly done manually or on automated production lines, with a low degree of automation. During manual assembly, human factors such as operator experience and hand stability make it difficult to accurately control the alignment of the valve core and valve sleeve, easily leading to wear and tear on parts due to operational deviations. Furthermore, manual assembly requires completing each piece individually with actions such as grasping, alignment, and insertion, resulting in long assembly cycles and low efficiency, making it difficult to meet the demands of mass production. While automated production lines improve efficiency to some extent, material transfer between workstations can easily cause positional deviations, and the lack of a unified, precise alignment benchmark still results in inconsistent assembly accuracy.

[0003] To address the aforementioned accuracy and wear issues, Chinese Patent Publication No. CN213560970U discloses a floating alignment device for assembling solenoid valves. This device achieves floating alignment of the solenoid valve components through an alignment cavity on the base, an elastic component within the accommodating space, a floating cavity within the cavity through-hole, and a guide component. This approach avoids assembly wear to a certain extent and improves alignment accuracy. However, the existing technology still has shortcomings: it is mainly aimed at the alignment adjustment of a single assembly, lacks a structural design adapted to batch continuous assembly, and cannot achieve synchronous delivery and cyclic assembly of valve core and valve body, making it difficult to further improve assembly efficiency; at the same time, its floating adjustment mainly relies on the cooperation of elastic components and floating cavities, and its ability to accurately correct deviations in multiple directions in the horizontal plane is limited. When there are angular deviations or horizontal offsets in the valve core, alignment lag or inaccurate adjustment may still occur, making it difficult to fully adapt to scenarios such as hybrid transmissions that have higher requirements for the assembly accuracy and efficiency of solenoid valves. Therefore, there is an urgent need for an auxiliary alignment mechanism that can achieve continuous batch assembly, accurate adjustment in multiple directions, and stronger coordination to further improve the accuracy and efficiency of solenoid valve assembly. Summary of the Invention

[0004] To address the aforementioned issues, an auxiliary alignment mechanism for assembling solenoid valves in hybrid electric transmissions is provided. A detachable guide sleeve facilitates quick replacement of the appropriate guide structure for different solenoid valve models, eliminating the need to adjust the main body of the mechanism and enhancing the compatibility of assembling various solenoid valve specifications. By first achieving precise positioning of the mounting head under the guidance of the guide channel, and then indirectly aligning the valve core with the valve body assembly port through the precise floating of the mounting head, compared to the existing technology where the guide structure directly contacts the valve core, the frequency of direct contact between the valve core and the inner wall of the guide channel is significantly reduced, fundamentally lowering the risk of scratches to the valve core due to friction and collision.

[0005] To address the problems of existing technologies, this invention provides an auxiliary alignment mechanism for assembling a solenoid valve in a hybrid electric transmission. The mechanism includes a support frame and an assembly mechanism positioned above the support frame. A rotatable turntable is located beside the support frame, and the turntable has multiple first positioning seats for positioning the solenoid valve body. A guide sleeve is detachably mounted on the support frame, and the guide sleeve has a guide channel along the axial direction of the valve core for the valve core to pass through. An mounting head is located at one end of the assembly mechanism near the guide sleeve. The mounting head can float in multiple directions relative to the assembly mechanism, and the floating center of the mounting head is located at the output end of the assembly mechanism. The mounting head also has a clamping assembly for holding the valve core.

[0006] Preferably, the clamping component is a pneumatic gripper, the top of which is provided with a ball head, and the mounting head is provided with a ball groove that is adapted to the ball head, so that the ball head can be embedded in the ball groove and rotate relative to the ball groove.

[0007] Preferably, the mounting head includes a mounting bracket fixedly connected to the assembly mechanism. The mounting bracket is provided with a first slider and a second slider. The first slider is slidably mounted on the mounting bracket in a horizontal direction, and the second slider is slidably mounted on the first slider in a horizontal direction. The sliding directions of the first slider and the second slider are perpendicular to each other.

[0008] Preferably, both sides of the first slider and the second slider are provided with elastic telescopic rods extending along the sliding direction of the first slider and the second slider.

[0009] Preferably, the ball groove is installed at the bottom of the second slider, and the axis of the ball groove is collinear with the axis of the guide channel of the guide sleeve.

[0010] Preferably, an elastic element is provided between the second slider and the ball head, with one end of the elastic element abutting against the second slider and the other end of the elastic element abutting against the ball head.

[0011] Preferably, the guide sleeve has a conical structure, and the support frame has a conical through hole that matches the shape of the guide sleeve. The guide sleeve can be embedded in the conical through hole, and the outer wall of the guide sleeve fits and seals with the inner wall of the conical through hole.

[0012] Preferably, the outer wall of the guide sleeve is provided with a plurality of mounting holes evenly distributed circumferentially, and the support frame is provided with a plurality of tapered mounting posts at the positions corresponding to the mounting holes. The tapered mounting posts are evenly distributed around the through holes, and the mounting posts can be inserted into the corresponding mounting holes.

[0013] Preferably, the mounting head is equipped with a sensor for detecting the position of the valve core.

[0014] Preferably, the turntable is also provided with a second positioning seat for placing the valve core to be assembled, and the number of the second positioning seats is the same as the number of the first positioning seats and they correspond one-to-one.

[0015] The advantages of this invention compared to the prior art are: 1. This invention, by incorporating a detachable guide sleeve on the support frame, facilitates quick replacement of the appropriate guide structure for different solenoid valve models without adjusting the main body of the mechanism, thus enhancing the adaptability for assembling various specifications of solenoid valves in hybrid electric transmissions. The mounting head on the assembly mechanism can float in multiple directions relative to the assembly mechanism, with the floating center located at the connection point between the assembly mechanism and the mounting head. Simultaneously, the guide channel primarily guides the mounting head. This design allows the mounting head to achieve precise positioning under the guidance of the guide channel, and then the precise floating of the mounting head indirectly aligns the valve core with the valve body assembly port. Compared to the existing technology where the guide structure directly contacts the valve core, this significantly reduces the frequency of direct contact between the valve core and the inner wall of the guide channel, fundamentally reducing the risk of scratches to the valve core due to friction and collision. It is particularly suitable for the high-precision and easily damaged characteristics of solenoid valve cores in hybrid electric transmissions.

[0016] 2. This invention adds an extra degree of freedom for angle adjustment to the clamping assembly by rotating the ball head of the clamping component with the ball groove of the mounting head. This allows the valve core to not only float horizontally with the mounting head during alignment, but also to achieve fine angle correction through the rotation of the ball head. This further reduces the hard contact between the valve core and the inner wall of the guide sleeve caused by angle deviation, reducing the risk of scratches. By setting the first and second sliders to slide in mutually perpendicular directions, it can cover all possible positional deviations in the horizontal plane, ensuring that any misalignment of the valve core in any horizontal direction can be corrected by sliding adjustment. Compared with a single-direction sliding structure, the adjustment range is more comprehensive.

[0017] 3. This invention, through the setting of mounting posts and mounting holes, utilizes the guiding effect of the conical surface of the mounting posts to naturally align and insert them into the corresponding mounting holes, achieving circumferential positioning of the guide sleeve and the support frame. The cooperation between the mounting posts and mounting holes disperses the forces exerted on the guide sleeve during operation, preventing excessive local stress that could lead to deformation or loosening of the guide sleeve, thus enhancing the overall stability of the structure. Simultaneously, this multi-point conical fit structure is less prone to gaps during long-term use, continuously ensuring the positioning accuracy of the guide sleeve. This is suitable for the high requirements of guiding stability in the assembly of solenoid valves in hybrid electric transmissions, further improving the reliability of the mechanism. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of an auxiliary alignment mechanism used for assembling solenoid valves in a hybrid electric transmission.

[0019] Figure 2 This is a top view of an auxiliary alignment mechanism used for assembling solenoid valves in a hybrid electric transmission.

[0020] Figure 3This is a three-dimensional structural diagram of the assembly mechanism and support frame in an auxiliary alignment mechanism for assembling solenoid valves in a hybrid electric transmission.

[0021] Figure 4 This is a cross-sectional structural diagram of the assembly mechanism and support frame in an auxiliary alignment mechanism for assembling solenoid valves in a hybrid electric transmission.

[0022] Figure 5 This is a three-dimensional cross-sectional structural diagram of the assembly mechanism and support frame in an auxiliary alignment mechanism for assembling solenoid valves in a hybrid electric transmission.

[0023] Figure 6 This is a three-dimensional structural diagram of a support frame in an auxiliary alignment mechanism for assembling a solenoid valve in a hybrid electric transmission.

[0024] Figure 7 This is a partial three-dimensional structural diagram of the assembly mechanism in an auxiliary alignment mechanism for assembling solenoid valves in a hybrid electric transmission.

[0025] Figure 8 A localized explosion in the assembly mechanism of an auxiliary alignment mechanism used in the assembly of solenoid valves for hybrid transmissions. Figure 1 .

[0026] Figure 9 A localized explosion in the assembly mechanism of an auxiliary alignment mechanism used in the assembly of solenoid valves for hybrid transmissions. Figure 2 .

[0027] Figure 10 This is a three-dimensional structural diagram of a turntable used in an auxiliary alignment mechanism for assembling solenoid valves in a hybrid electric transmission.

[0028] The following are the labels in the diagram: 1. Support frame; 11. Guide sleeve; 111. Mounting hole; 12. Mounting column; 13. Through hole; 2. Assembly mechanism; 21. Mounting head; 211. Mounting bracket; 212. First slider; 213. Second slider; 2131. Ball groove; 214. Telescopic rod; 215. Sensor; 22. Elastic element; 23. Clamping assembly; 231. Pneumatic gripper; 2311. Ball head; 3. Turntable; 31. First positioning seat; 32. Second positioning seat; 4. Valve body; 41. Valve core. Detailed Implementation

[0029] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0030] like Figures 1 to 6 and Figure 10As shown: An auxiliary alignment mechanism for assembling a solenoid valve in a hybrid electric transmission includes a support frame 1 and an assembly mechanism 2 disposed above the support frame 1. A rotatable turntable 3 is disposed on the side of the support frame 1, and a plurality of first positioning seats 31 for positioning the solenoid valve body 4 are disposed on the turntable 3. A guide sleeve 11 is detachably installed on the support frame 1, and the guide sleeve 11 has a guide channel for the valve core 41 to pass through along the axial direction of the valve core 41. An mounting head 21 is disposed on one end of the assembly mechanism 2 near the guide sleeve 11. The mounting head 21 can float in multiple directions relative to the assembly mechanism 2, and the floating center of the mounting head 21 is located at the output end of the assembly mechanism 2. The mounting head 21 is also provided with a clamping assembly 23 for clamping the valve core 41.

[0031] When the auxiliary alignment mechanism is working, the turntable 3 rotates beside the support frame 1. The rotation of the turntable 3 drives multiple first positioning seats 31 on it to move sequentially to the bottom of the guide sleeve 11. The first positioning seats 31 position the valve body 4 of the solenoid valve placed on them, so that the assembly port of the valve body 4 is coaxially aligned with the guide channel of the guide sleeve 11 on the support frame 1. At this time, the clamping component 23 on the assembly mechanism 2 will first clamp the valve core 41 and drive the valve core 41 to move above the guide sleeve 11. Then the assembly mechanism 2 drives the mounting head 21 to move downward towards the guide sleeve 11. The valve core 41 first enters the guide channel of the guide sleeve 11. The guide channel usually guides the mounting head 21 first. Since the clamping component 23 is fixed on the mounting head 21, the guided mounting head 21 will move synchronously with the valve core 41, avoiding frequent contact between the valve core 41 and the inner wall of the guide channel, thereby reducing the possibility of the valve core 41 being scratched.

[0032] When there is a positional deviation between the valve core 41 and the assembly port of the valve body 4, the mounting head 21 can float in multiple directions relative to the assembly mechanism 2 under the action of the guide sleeve 11. Since the floating center of the mounting head 21 is located at the output end of the assembly mechanism 2, that is, it floats around the connection position between the assembly mechanism 2 and the mounting head 21, the mounting head 21 will first adaptively adjust its position under the guidance of the guide channel, and then directly drive the valve core 41 to adjust synchronously until the valve core 41 is accurately aligned with the assembly port of the valve body 4 and inserted.

[0033] After the valve core 41 is assembled, the clamping component 23 on the assembly mechanism 2 releases the valve core 41. The assembly mechanism 2 and the clamping component 23 drive the mounting head 21 to reset. At the same time, the turntable 3 continues to rotate, moving the first positioning seat 31, which carries the valve body 4 to be assembled, to the bottom of the guide sleeve 11, and entering the next assembly cycle.

[0034] By setting a detachable guide sleeve 11 on the support frame 1, it is easy to quickly replace the appropriate guide structure according to different models of solenoid valves without adjusting the main body of the mechanism, thus enhancing the adaptability to the assembly of various specifications of solenoid valves in hybrid transmissions. The mounting head 21 set on the assembly mechanism 2 can float in multiple directions relative to the assembly mechanism 2, and the floating center is located at the connection position between the assembly mechanism 2 and the mounting head 21. At the same time, the guide channel mainly guides the mounting head 21. This setting allows the mounting head 21 to achieve precise positioning under the guidance of the guide channel, and then indirectly drives the valve core 41 to align with the assembly port of the valve body 4 through the precise floating of the mounting head 21. Compared with the existing technology where the guide structure directly contacts the valve core 41, this significantly reduces the frequency of direct contact between the valve core 41 and the inner wall of the guide channel, fundamentally reducing the risk of scratches on the valve core 41 due to friction and collision, especially suitable for the high precision and easily damaged characteristics of the valve core 41 of the hybrid transmission solenoid valve. The clamping assembly 23 securely holds the valve core 41, preventing it from falling off during transport and alignment, thus further ensuring the reliability of the assembly process. The overall structure perfectly meets the dual requirements of the compact assembly space of the hybrid transmission and the high-precision protection of the valve core 41. By setting a rotatable turntable 3 on the side of the support frame 1 and configuring multiple first positioning seats 31, the continuous transport and positioning of multiple solenoid valve bodies 4 can be achieved by the cyclic rotation of the turntable 3. This ensures that the assembly port of the valve body 4 always corresponds to the guide channel of the guide sleeve 11, significantly improving the continuity and efficiency of assembly compared to the single-station assembly method.

[0035] like Figures 3 to 5 and Figures 7 to 9 As shown: the clamping assembly 23 is a pneumatic gripper 231. The top of the pneumatic gripper 231 is provided with a ball head 2311. The mounting head 21 is provided with a ball groove 2131 that is adapted to the ball head 2311. The ball head 2311 can be embedded in the ball groove 2131 and rotate relative to the ball groove 2131.

[0036] During assembly, the pneumatic gripper 231 (preferably a three-legged pneumatic gripper 231) closes under pneumatic pressure to hold the valve core 41. Since the ball head 2311 at the top of the gripper will be embedded in the ball groove 2131 of the mounting head 21, when the assembly mechanism 2 drives the mounting head 21 to move down, if there is an angular deviation between the valve core 41 and the assembly port of the valve body 4 during the process of the valve core 41 entering the guide channel of the guide sleeve 11, the pneumatic gripper 231 will tilt slightly with the deviation direction, and the ball head 2311 at the top of the gripper will rotate synchronously in the ball groove 2131 of the mounting head 21. The relative rotation of the ball head 2311 and the ball groove 2131 is adapted to the angle adjustment. In particular, the gripping of the three-legged pneumatic gripper 231 can maintain a stable grip on the valve core 41 during rotation adjustment. With the multi-directional floating of the mounting head 21, the valve core 41 can more flexibly follow the guidance of the guide channel and accurately align with the assembly port of the valve body 4. After the valve core 41 is inserted into the valve body 4, the pneumatic gripper 231 opens and releases the valve core 41 under air pressure control. The ball head 2311 separates from or resets with the gripper and the ball groove 2131, preparing for the next clamping.

[0037] The pneumatic gripper 231 achieves clamping and release via air pressure, with rapid response and adjustable clamping force, adaptable to the stable clamping requirements of valve cores 41 of different sizes. The tripod pneumatic gripper 231 provides symmetrical clamping at three points, ensuring more even force distribution on the valve core 41 and preventing tilting during clamping. Simultaneously, the three-point support maintains clamping stability and prevents the valve core 41 from falling off when the ball head 2311 and ball groove 2131 rotate relative to each other. Furthermore, the rotational cooperation between the ball head 2311 at the top of the gripper and the ball groove 2131 of the mounting head 21... This adds an extra degree of freedom for angle adjustment to the gripper, allowing the valve core 41 to not only float horizontally with the mounting head 21 during the alignment process, but also to achieve fine angle correction through the rotation of the ball head 2311. This further reduces the hard contact between the valve core 41 and the inner wall of the guide sleeve 11 caused by angle deviation, reducing the risk of scratches. The overall structure is simple and compact, requiring no complex transmission components. It can improve the overall reliability of the mechanism while ensuring adjustment flexibility, and is more suitable for the high precision and compact space requirements of the assembly of the solenoid valve of the hybrid transmission.

[0038] like Figures 3 to 5 and Figures 7 to 9 As shown: The mounting head 21 includes a mounting frame 211 fixedly connected to the assembly mechanism 2. The mounting frame 211 is provided with a first slider 212 and a second slider 213. The first slider 212 is slidably disposed on the mounting frame 211 in the horizontal direction, and the second slider 213 is slidably disposed on the first slider 212 in the horizontal direction. The sliding directions of the first slider 212 and the second slider 213 are perpendicular to each other.

[0039] During assembly, the mounting bracket 211 moves downward due to the drive of the assembly mechanism 2. When there is a horizontal positional deviation between the valve core 41 and the assembly port of the valve body 4, the first slider 212 slides on the mounting bracket 211, while the second slider 213 slides on the first slider 212. Since the sliding directions of the first slider 212 and the second slider 213 are perpendicular to each other, the coordinated sliding of the first slider 212 and the second slider 213 can drive the clamping assembly 23 on the mounting head 21 and the valve core 41 to achieve positional adjustment in any direction in the horizontal plane until the valve core 41 and the assembly port of the valve body 4 are precisely aligned. After the valve core 41 is inserted into the valve body 4, the first slider 212 and the second slider 213 will reset, preparing for the next assembly adjustment.

[0040] By using mutually perpendicular sliding directions for the first slider 212 and the second slider 213, all possible positional deviations within the horizontal plane can be covered, ensuring that any misalignment of the valve core 41 in any horizontal direction can be corrected through sliding adjustment. Compared to a single-direction sliding structure, the adjustment range is more comprehensive. The second slider 213 can slide on the layered structure of the first slider 212, making the sliding action transmission more direct, reducing cumulative errors during the adjustment process, and improving alignment accuracy. The mounting bracket 211 is fixedly connected to the assembly mechanism 2, providing stable support for the sliding of the first slider 212 and the second slider 213, preventing the installation head 21 from shaking and affecting alignment stability during adjustment. The overall structure is compact, achieving horizontal adjustment through the sliding of the first slider 212 and the second slider 213 without the need for additional complex transmission components, making it suitable for the limited assembly space of hybrid transmissions, while ensuring the flexibility and reliability of adjustment.

[0041] like Figures 3 to 5 and Figures 7 to 9 As shown: Both sides of the first slider 212 and the second slider 213 are provided with elastic telescopic rods 214 that extend along the sliding direction of the first slider 212 and the second slider 213.

[0042] The telescopic rod 214 is preferably configured as a gas spring. When there is a horizontal deviation between the valve core 41 and the valve body 4 assembly port, the first slider 212 slides on the mounting bracket 211 along its sliding direction. At this time, the telescopic rods 214 on both sides of the first slider 212 are compressed or stretched as they slide. Simultaneously, the second slider 213 slides on the first slider 212 along its own sliding direction, and the telescopic rods 214 on both sides of it also deform synchronously. After the valve core 41 is aligned and inserted into the valve body 4, the force generated by the deviation disappears. The telescopic rods 214 on both sides of the first slider 212 release the stored elastic force and drive it to return to its initial position along the sliding direction of the first slider 212. Similarly, the telescopic rods 214 on both sides of the second slider 213 release force along their own sliding direction, causing the second slider 213 to return to its original position along with the first slider 212, so that the mounting head 21 returns to the assembly state as a whole, preparing for the next adjustment.

[0043] The elastic telescopic rod 214 allows for stable storage of the reset force through compression or stretching during slider sliding. Since the telescopic rod 214 is a gas spring, its elastic force is uniform and controllable, preventing impact during reset and ensuring smooth slider reset, thus reducing vibration on the valve core 41 or valve body 4. The symmetrically distributed telescopic rods 214 on both sides of the slider balance the reset force, preventing tilting due to unilateral force, ensuring accurate reset position, and reducing alignment errors in subsequent assembly. Due to the good fatigue resistance of the gas spring, it is suitable for frequent telescopic reset scenarios, extending the service life of the mechanism. Furthermore, the compact structure of the telescopic rod 214 eliminates the need for additional transmission components, allowing direct integration between the slider and mounting bracket 211, and between sliders, adapting to the confined space of hybrid transmission solenoid valve assembly, further enhancing the stability and reliability of continuous operation.

[0044] like Figures 3 to 5 and Figures 7 to 9 As shown: the ball groove 2131 is installed at the bottom of the second slider 213, and the axis of the ball groove 2131 is collinear with the axis of the guide channel of the guide sleeve 11.

[0045] The ball groove 2131 is installed at the bottom of the second slider 213, so that the ball head 2311 of the clamping assembly 23 can slide together with the second slider 213 on the first slider 212 by cooperating with the ball groove 2131. The first slider 212 can slide on the mounting bracket 211, thereby driving the ball groove 2131 and the valve core 41 to achieve flexible horizontal adjustment. At the same time, the axis of the ball groove 2131 is collinear with the axis of the guide channel of the guide sleeve 11, which means that in the initial state, the center of the ball groove 2131 and the center of the guide channel are on the same straight line. When the clamping assembly 23 clamps the valve core 41 by cooperating with the ball groove 2131 through the ball head 2311, the axis of the valve core 41 will naturally be consistent with the axis of the ball groove 2131, thereby making the axis of the valve core 41 initially aligned with the axis of the guide channel. When the valve core 41 enters the guide channel and needs to be adjusted, the sliding of the first slider 212 and the second slider 213 will cause the ball groove 2131 to move in the horizontal plane. The collinear axis of the ball groove 2131 and the guide channel provides a reference for adjustment, ensuring that the valve core 41 is always finely adjusted around the axis of the guide channel until it is precisely aligned with the assembly port of the valve body 4.

[0046] The ball groove 2131 is installed at the bottom of the second slider 213, and can directly follow the sliding of the second slider 213 to achieve position adjustment. The action of the ball head 2311 and the ball groove 2131 is linked with the horizontal adjustment of the slider, ensuring the continuity of the adjustment process. The collinear setting ensures that the valve core 41 is always offset from the axis of the guide channel during the horizontal adjustment process, avoiding large-scale shaking that deviates from the reference and reducing the risk of collision between the valve core 41 and the inner wall of the guide channel. The overall structure further enhances the accuracy and stability of the alignment through the collinearity of the axis and the sliding of the slider, and is more suitable for the high precision requirements of the coaxiality of the valve core 41 and the valve body 4 in the assembly of the solenoid valve of the hybrid transmission.

[0047] like Figures 3 to 5 and Figures 7 to 9 As shown: An elastic element 22 is provided between the second slider 213 and the ball head 2311. One end of the elastic element 22 abuts against the second slider 213, and the other end of the elastic element 22 abuts against the ball head 2311.

[0048] In the initial state, the ball head 2311 naturally maintains its vertical axis under its own gravity and is stably fitted into the ball groove 2131 at the bottom of the second slider 213. One end of the elastic member 22 sleeved on the outside of the ball head 2311 abuts against the second slider 213, while the other end of the elastic member 22 abuts against the ball head 2311. At this time, the elastic member 22 is in a slightly pre-tightened state, which can provide a surrounding support from the outside of the ball head 2311 to prevent the ball head 2311 from shifting due to slight external vibrations or movement of the assembly mechanism 2. This ensures that the ball head 2311 always maintains a vertical posture and cooperates with the ball groove 2131, thereby making the axis of the valve core 41 held by the clamping assembly 23 consistent with the axis of the guide channel of the guide sleeve 11. When the valve core 41 enters the guide channel of the guide sleeve 11, if there is an angular deviation, the guide sleeve 11 will exert a force on the valve core 41, causing the ball head 2311 to tilt within the ball groove 2131. At this time, the elastic element 22 on one side of the tilting direction of the ball head 2311 will be compressed, while the elastic element 22 on the other side will be released accordingly. The deformation of the elastic element 22 absorbs the impact of the force exerted by the guide sleeve 11. After the valve core 41 is aligned and the force exerted by the guide sleeve 11 disappears, the compressed elastic element 22 releases its elastic force, and the released elastic element 22 returns to its original position. After deformation, the elastic element 22 drives the ball head 2311 back to a vertical position and re-fits stably with the ball groove 2131, preparing for the initial vertical positioning of the next assembly. This eliminates the need for additional drive components, improving the mechanism's reset efficiency and ensuring stable initial positioning accuracy during continuous assembly. At the same time, the structure of the elastic element 22 makes full use of the space around the ball head 2311 without occupying additional installation space, adapting to the overall compact design requirements of the mounting head 21, and further ensuring the accuracy and reliability of alignment during the assembly of the hybrid transmission solenoid valve.

[0049] like Figures 3 to 6 As shown: the guide sleeve 11 has a conical structure, and the support frame 1 is provided with a conical through hole 13 that is adapted to the shape of the guide sleeve 11. The guide sleeve 11 can be embedded in the conical through hole 13, and the outer wall of the guide sleeve 11 is in close contact and sealed with the inner wall of the conical through hole 13.

[0050] When assembling the guide sleeve 11, its tapered structure and the shape of the through hole 13 on the support frame 1 are adapted to allow the guide sleeve 11 to be directly embedded into the tapered through hole 13. At this time, the outer wall of the guide sleeve 11 can completely fit with the inner wall of the tapered through hole 13, forming a tight seal. During the assembly of the valve core 41 of the solenoid valve, the assembly mechanism 2 drives the mounting head 21 and the valve core 41 to move downward toward the guide sleeve 11. The tapered inner hole (i.e., the guide channel) of the guide sleeve 11 will guide the mounting head 21 or the valve core 41 in a directional manner, ensuring that the mounting head 21 and the valve core 41 can move stably toward the assembly port of the valve body 4 along the preset axis. At the same time, the tight seal between the outer wall of the guide sleeve 11 and the inner wall of the tapered through hole 13 can effectively prevent external dust, debris and other impurities from entering the guide channel and the assembly area of ​​the valve body 4, avoiding impurities from interfering with the precise alignment of the valve core 41 and the valve body 4, or causing contamination to the assembled components.

[0051] like Figures 3 to 6 As shown: the outer wall of the guide sleeve 11 is uniformly provided with a plurality of mounting holes 111 along the circumference. The support frame 1 is provided with a plurality of tapered mounting posts 12 at the positions corresponding to the mounting holes 111. The tapered mounting posts 12 are evenly distributed around the through hole 13, and the mounting posts 12 can be inserted into the corresponding mounting holes 111.

[0052] When installing the guide sleeve 11, during the process of embedding the guide sleeve 11 into the tapered through hole 13 of the support frame 1, the tapered mounting posts 12 evenly distributed around the through hole 13 on the support frame 1 will correspond one-to-one with the mounting holes 111 evenly arranged circumferentially on the outer wall of the guide sleeve 11. With the guiding effect of the tapered surface of the mounting post 12, the mounting post 12 can be naturally aligned and inserted into the corresponding mounting hole 111, realizing the circumferential positioning of the guide sleeve 11 and the support frame 1. During the assembly process, when the valve core 41 moves in the guide channel or the mounting head 21 floats and adjusts, the guide sleeve 11 will be subjected to axial or radial forces. At this time, the cooperation between the mounting post 12 and the mounting hole 111 can limit the circumferential rotation and radial offset of the guide sleeve 11, ensuring that the guide sleeve 11 is always stably fixed on the support frame 1, and the axis of its guide channel corresponds to the axis of the valve body 4 assembly port. The mounting post 12 can be automatically guided into the mounting hole 111, simplifying the disassembly and assembly process of the guide sleeve 11. It is especially convenient to quickly replace the guide sleeve 11 according to different valve core 41 models. The fit between the mounting post 12 and the mounting hole 111 can disperse the force on the guide sleeve 11 during operation, preventing excessive local stress from causing deformation or loosening of the guide sleeve 11, thus enhancing the overall stability of the structure. At the same time, this multi-point conical fit structure is not prone to gaps during long-term use, which can continuously ensure the positioning accuracy of the guide sleeve 11. It is suitable for the high requirements of guiding stability in the assembly of hybrid electric transmission solenoid valves, further improving the reliability of the mechanism.

[0053] like Figures 3 to 5 and Figure 8 As shown: The mounting head 21 is equipped with a sensor 215 for detecting the position of the valve core 41.

[0054] The sensor 215 on the mounting head 21 moves synchronously with the mounting head 21. When the assembly mechanism 2 drives the mounting head 21 and the clamping assembly 23 to approach the valve core 41 to be gripped, the sensor 215 will detect the position of the valve core 41 to confirm whether the valve core 41 is in the preset position that the clamping assembly 23 can accurately grip. If the valve core 41 is detected to be in the correct position, the clamping assembly 23 can perform the clamping action. During the process of the clamping assembly 23 driving the valve core 41 to move towards the guide sleeve 11, the sensor 215 will continuously detect the position of the valve core 41 to ensure that the valve core 41 does not shift due to loose clamping or vibration. When the valve core 41 is about to enter the guide channel of the guide sleeve 11, the sensor 215 will detect the axial position of the valve core 41 again to confirm its initial alignment with the guide channel, providing a reference for subsequent floating adjustment until the valve core 41 is successfully inserted into the assembly port of the valve body 4.

[0055] By setting up sensor 215, the position of valve core 41 can be monitored throughout the process, and valve core 41 misalignment can be detected in time. This prevents clamping assembly 23 from forcibly entering the guide channel with misaligned valve core 41, thereby reducing the risk of collision and scratches between valve core 41 and the inner wall of guide sleeve 11. At the same time, the real-time detection of sensor 215 can provide accurate triggering basis for the action of clamping assembly 23, ensuring that the clamping action is only performed when valve core 41 is in the correct position. This improves the automation and reliability of assembly, especially suitable for the assembly requirements of high-precision parts such as the valve core 41 of hybrid transmission solenoid valve, further ensuring the stability of overall assembly quality.

[0056] like Figure 1 , Figure 2 and Figure 10 As shown: The turntable 3 is also provided with a second positioning seat 32 for placing the valve core 41 to be assembled. The number of second positioning seats 32 is the same as the number of first positioning seats 31 and they correspond one-to-one.

[0057] When the turntable 3 rotates, the corresponding first positioning seat 31 and second positioning seat 32 of each group move synchronously. When one of the first positioning seats 31, carrying the valve body 4, moves to directly below the guide sleeve 11, the corresponding second positioning seat 32 moves to a position where the clamping component 23 of the assembly mechanism 2 can grasp it. At this time, the clamping component 23 can directly grasp the valve core 41 to be assembled from the second positioning seat 32, and then move it above the guide sleeve 11 to complete the assembly with the corresponding valve body 4. After a group of valve cores 41 and valve bodies 4 are assembled, the turntable 3 continues to rotate, and the next group of corresponding first positioning seats 31 and second positioning seats 32 are synchronously moved to the working position, and the assembly is continuously achieved in a cyclical manner.

[0058] The second positioning seat 32 ensures that each valve body 4 has a corresponding valve core 41 ready during assembly, avoiding assembly interruptions caused by mismatch in the number or position of valve cores 41 and valve bodies 4, thus ensuring the continuity of the assembly process. The paired positioning seats move synchronously with the turntable 3, enabling precise connection between the gripping of valve cores 41 and the alignment of valve bodies 4, reducing the movement and adjustment time of the clamping assembly 23 between gripping valve cores 41 and assembling valve bodies 4, and improving overall assembly efficiency. At the same time, the pre-positioning function of the second positioning seat 32 for valve cores 41, in conjunction with its correspondence with the first positioning seat 31, ensures that the clamping assembly 23 accurately grips valve cores 41 in a fixed position each time, avoiding gripping errors caused by deviations in the placement of valve cores 41, further ensuring assembly accuracy. This one-to-one correspondence structure is also better suited for batch assembly scenarios, facilitating the control of the assembly rhythm through the uniform rotation of the turntable 3, making the entire mechanism's movements more coordinated, and meeting the efficient and precise assembly requirements of hybrid transmission solenoid valves.

[0059] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. An auxiliary alignment mechanism for assembling a solenoid valve in a hybrid electric transmission, comprising a support frame (1) and an assembly mechanism (2) disposed above the support frame (1), wherein a rotatable turntable (3) is disposed on the side of the support frame (1), and a plurality of first positioning seats (31) for positioning the solenoid valve body (4) are disposed on the turntable (3); characterized in that, A guide sleeve (11) is detachably installed on the support frame (1). The guide sleeve (11) is provided with a guide channel for the valve core (41) to pass through along the axial direction of the valve core (41). An installation head (21) is provided at one end of the assembly mechanism (2) near the guide sleeve (11). The installation head (21) can float in multiple directions relative to the assembly mechanism (2), and the floating center of the installation head (21) is located at the output end of the assembly mechanism (2). The mounting head (21) is also provided with a clamping assembly (23) for clamping the valve core (41).

2. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 1, characterized in that, The clamping assembly (23) is a pneumatic gripper (231). The top of the pneumatic gripper (231) is provided with a ball head (2311). The mounting head (21) is provided with a ball groove (2131) that is adapted to the ball head (2311). The ball head (2311) can be embedded in the ball groove (2131) and rotate relative to the ball groove (2131).

3. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 2, characterized in that, The mounting head (21) includes a mounting bracket (211) fixedly connected to the assembly mechanism (2). The mounting bracket (211) is provided with a first slider (212) and a second slider (213). The first slider (212) is slidably mounted on the mounting bracket (211) in the horizontal direction, and the second slider (213) is slidably mounted on the first slider (212) in the horizontal direction. The sliding directions of the first slider (212) and the second slider (213) are perpendicular to each other.

4. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 3, characterized in that, Both sides of the first slider (212) and the second slider (213) are provided with elastic telescopic rods (214) that extend along the sliding direction of the first slider (212) and the second slider (213).

5. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 3, characterized in that, The ball groove (2131) is installed at the bottom of the second slider (213), and the axis of the ball groove (2131) is collinear with the axis of the guide channel of the guide sleeve (11).

6. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 5, characterized in that, An elastic element is provided between the second slider (213) and the ball head (2311). One end of the elastic element abuts against the second slider (213), and the other end of the elastic element abuts against the ball head (2311).

7. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 1, characterized in that, The guide sleeve (11) has a conical structure. The support frame (1) has a conical through hole (13) that matches the shape of the guide sleeve (11). The guide sleeve (11) can be inserted into the conical through hole (13), and the outer wall of the guide sleeve (11) is in close contact with the inner wall of the conical through hole (13) for sealing.

8. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 7, characterized in that, The outer wall of the guide sleeve (11) is uniformly provided with multiple mounting holes (111) along the circumference. The support frame (1) is provided with multiple conical mounting posts (12) at the positions corresponding to the mounting holes (111). The conical mounting posts (12) are evenly distributed around the through hole (13), and the mounting posts (12) can be inserted into the corresponding mounting holes (111).

9. The auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 1, characterized in that, The mounting head (21) is equipped with a sensor (215) for detecting the position of the valve core (41).

10. An auxiliary alignment mechanism for assembling a solenoid valve in a hybrid transmission according to claim 1, characterized in that, The turntable (3) is also provided with a second positioning seat (32) for placing the valve core (41) to be assembled. The number of the second positioning seats (32) is the same as the number of the first positioning seats (31) and they correspond one-to-one.

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