A device for overfilling continuous press-fitting

Abstract

The present application relates to the technical field of automatic press-fitting equipment, in particular to a kind of for excess fit continuous press-fitting equipment, including cabinet, the inside of the cabinet is provided with middle partition, positioning fixture for fixing the center support of transmission shaft is installed in the center position of the middle partition, and the moving platform that moves along stand is respectively arranged in the cabinet in the upper and lower sides of middle partition.This application sets up synchronous compensation mechanism below accessory installation tool, forms linkage compensation structure through guide block, connecting rod balance mechanism, synchronous constraint ring and circumferential differential compensation mechanism, so that accessory is automatically adjusted position according to stress state in press-fitting process, maintains coaxial relationship with center support.Simultaneously, the press-fitting force is stably supported by compensation platform, and the adaptability of different specifications workpieces is improved.The equipment solves the problems of accessory easy to deflect, low positioning accuracy and insufficient continuous assembly stability in the existing excess fit press-fitting process, improves press-fitting efficiency and assembly quality.

Description

Technical Field

[0001] This invention relates to the field of automated pressing equipment technology, and more specifically to a continuous pressing equipment for filling. Background Technology

[0002] Interference fit assembly is a mechanical assembly method that utilizes the interference fit relationship between components to achieve a desired configuration. It is widely used in the manufacturing process of mechanical structures such as drive shafts, bearings, brackets, and rotating parts. In the production and assembly of drive shaft center brackets, multiple components, such as bearings and dust covers, are typically pressed sequentially into their corresponding installation positions on the center bracket to ensure the structural stability and transmission accuracy of the transmission system during operation. Because there is significant resistance between the components and the center bracket during interference fit assembly, a stable axial pressure needs to be applied using press-fitting equipment to gradually move the components into their installation positions. Therefore, the positioning accuracy, stress stability, and continuous assembly capability of the press-fitting equipment directly affect the final assembly quality of the product.

[0003] Existing press-fitting equipment for drive shaft center bracket components typically employs a single-station press-fitting method. This involves fixing the center bracket and then installing different types of components one by one using a press-fitting mechanism. During continuous production, frequent changes to press-fitting tools or adjustments to component positions are necessary, reducing production efficiency. Furthermore, differences in positioning references between different components can easily lead to component misalignment, affecting assembly consistency. In addition, existing equipment relies primarily on fixed fixtures for component positioning during press-fitting. When components have machining errors, placement deviations, or center bracket installation position deviations, misalignment of the axis can easily occur when the component enters the mating area.

[0004] To address the assembly accuracy issues caused by initial workpiece eccentricity during press-fitting, several technical solutions have been proposed. For example, Chinese invention patent CN121624819A discloses a centering press-fitting device and its control method based on an XY compensation mechanism. This device provides the clamping cylinder with X and Y-axis movement compensation capabilities by setting a planar compensation module, enabling the clamping unit to adjust in real time according to the workpiece position during clamping to ensure concentricity of the assembly.

[0005] However, this solution is mainly suitable for clamping and centering a single workpiece. Its compensation action relies on the active drive control of the clamping cylinder. When multiple parts need to be pressed into place continuously, the following shortcomings still exist: First, the XY compensation mechanism of this scheme can only achieve translational compensation in two orthogonal directions, and cannot perform differential compensation based on the force differences in different circumferential directions of the components. Secondly, the scheme lacks a mechanical linkage mechanism between multiple sets of guiding mechanisms, making it difficult to synchronously transmit local offsets to constraint units in other directions during the pressing process, thus failing to achieve multi-directional coordinated attitude adjustment. Furthermore, for continuous assembly scenarios such as drive shaft center brackets that require sequential pressing of multiple components such as bearings and dust covers, this solution cannot provide automatic alignment of components before they enter the fitting area or dynamic attitude maintenance during the pressing process.

[0006] Therefore, it is necessary to further develop a pressing equipment that can achieve automatic alignment of parts, multi-directional differential compensation, and synchronous maintenance of pressing posture during continuous press-fitting. Summary of the Invention

[0007] Technical problems to be solved To address the aforementioned shortcomings of existing technologies, this invention provides a continuous press-fitting equipment for press-fitting components, which can solve the problems of easy skewing of parts due to assembly gaps and pressing force during existing press-fitting processes, and easy swinging back after compensation by the guiding mechanism, leading to a decrease in press-fitting coaxial accuracy.

[0008] Technical solution To achieve the above objectives, the present invention provides the following technical solution: The present invention provides a continuous pressing equipment for filling, including a chassis, wherein a middle partition is fixed inside the chassis, and a positioning clamp for fixing the central support of the drive shaft is installed on the middle partition; The chassis has lifting and movable platforms located on the upper and lower sides of the middle partition. The lower movable platform is connected to a compensation platform for supporting the central support of the drive shaft, and the upper movable platform is connected to a moving mechanism. The moving mechanism is provided with several accessory installation tools below it. Each accessory installation tool is used to carry different specifications of press-fit accessories, and each accessory installation tool is connected to a synchronous compensation mechanism below it. The synchronous compensation mechanism is used to automatically align and compensate the posture of the parts during the pressing process. It includes a mounting base, a guide mechanism set on the mounting base, and a synchronous constraint ring connected to the bottom of the mounting base through a linkage balance mechanism. The synchronous constraint ring is provided with a circumferential differential compensation mechanism, which is used to perform differential compensation according to the offset in different directions, so that the parts maintain a coaxial state with the central support of the drive shaft during continuous press fitting.

[0009] Furthermore, the compensation platform includes a base plate suspended below the mobile platform, the base plate being provided with an electroplated block for supporting the central support of the drive shaft, and the electroplated block being provided with a protruding rod for positioning in conjunction with the flange hole of the central support of the drive shaft.

[0010] Furthermore, the accessory installation tool is configured as a cylindrical structure, the mounting base is located on the outside of the accessory installation tool and is configured as a ring structure coaxially distributed with the accessory installation tool, and the surface of the mounting base is provided with several sets of guiding mechanisms evenly distributed along the circumferential direction.

[0011] Furthermore, the guiding mechanism includes a radial groove disposed on the surface of the mounting base, and a guide block that can slide elastically inside the radial groove. The guide block has a pressure plate that can rotate elastically and is used to elastically abut against the outside of the accessory on the side facing the center of the accessory installation tool.

[0012] Furthermore, the linkage balancing mechanism includes a first linkage rotatably connected to the outer side of the lower end of the guide block and a second linkage rotatably connected to the lower end of the first linkage. The lower end of the first linkage is provided with a convex ball, and the upper end of the second linkage is provided with a spherical groove that cooperates with the convex ball.

[0013] Furthermore, the outer surface of the synchronization constraint ring is connected to several sets of arc-shaped blocks that are equidistantly distributed along the circumference. An arc-shaped groove is formed between adjacent arc-shaped blocks and the synchronization constraint ring. Several sets of vertically arranged plumb rods are provided on the surface of the mounting base. The lower end of the plumb rod is inserted into the arc-shaped groove to limit the movement direction of the synchronization constraint ring.

[0014] Furthermore, the circumferential differential compensation mechanism includes a differential slide groove disposed on the synchronous constraint ring. The differential slide groove is configured as an arc-shaped structure and is distributed concentrically with the synchronous constraint ring. An arc-shaped guide rod is disposed inside the differential slide groove. A differential slider is slidably connected to the surface of the arc-shaped guide rod. Connecting seats are rotatably connected to both the upper and lower sides of the differential slider. The lower end of the second connecting rod is rotatably connected to the connecting seat above the differential slider.

[0015] Furthermore, two sets of second springs are sleeved on the surface of the arc-shaped guide rod. The two sets of second springs are located on both sides of the differential slider and are used to push the differential slider back to the center position of the differential groove.

[0016] Furthermore, a differential rocker arm is rotatably connected to the connecting seat below the differential slider. The lower end of the differential rocker arm is rotatably connected to the differential compensation ring through the connecting seat. The differential compensation ring and the synchronous constraint ring are coaxially distributed and are used to convert the circumferential displacement of the differential slider into the compensation motion of the differential compensation ring.

[0017] Furthermore, the moving mechanism is used to drive multiple accessory installation tools to adjust their lateral position, so that different accessory installation tools correspond and cooperate with the central support of the drive shaft on the positioning fixture.

[0018] Beneficial effects The technical solution provided by this invention has the following advantages compared with the prior art: This invention uses a positioning fixture to fix the central support, a compensation platform to bear the axial force during the press-fitting process, and a moving mechanism to drive multiple accessory installation tools to switch positions, so that different accessories can be continuously press-fitted in the order of assembly. This reduces the problem of repeated positioning and tooling changes in the traditional manual installation process, and improves the automation level and continuous assembly efficiency of the equipment. By setting up a compensation platform, and through the combination structure of extension rods, base plates, electroplating blocks and protruding rods, the compensation platform can adjust the support position according to the central support of the drive shaft of different lengths and specifications. The protruding rod cooperates with the flange hole at the bottom of the central support to achieve auxiliary positioning. During the pressing process, the compensation platform can withstand the axial reaction force generated by the pressing of the parts, and avoid the central support from shifting or deforming due to insufficient bottom support, thereby improving the structural stability and workpiece adaptability during the pressing process.

[0019] By setting a synchronous constraint ring and forming a restricted circumferential motion structure through arc-shaped blocks, arc-shaped grooves, and vertical rods, a unified mechanical coordination relationship is established between multiple guiding mechanisms. When a guiding block in a certain direction moves due to the offset of the component, the synchronous constraint ring can transfer the local offset to the guiding mechanism in other directions, so that multiple guiding blocks can participate in the attitude adjustment together. This avoids the problem of insufficient compensation in a single direction or excessive local force in traditional independent guiding structures, and improves the overall balance during the component pressing process. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0021] Figure 1 This is a front view schematic diagram of the continuous pressing equipment in an embodiment of the present invention; Figure 2 This is a side view of the internal structure of the continuous pressing equipment in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structural composition in an embodiment of the present invention; Figure 4 This is a schematic diagram of the compensation platform structure in an embodiment of the present invention; Figure 5 This is a schematic diagram of the positioning fixture structure in an embodiment of the present invention; Figure 6 This is a schematic diagram of the installation of the synchronization compensation mechanism in an embodiment of the present invention; Figure 7This is a schematic diagram of the structure of the synchronous compensation mechanism in an embodiment of the present invention; Figure 8 This is a schematic diagram of the installation of the synchronization constraint ring in an embodiment of the present invention.

[0022] The labels in the diagram represent: 1. Chassis; 2. Middle partition; 3. Positioning fixture; 301. Base; 302. Clamping arm; 303. Cylinder; 304. Push block; 4. Column; 5. Moving platform; 6. Compensation platform; 601. Extension rod; 602. Base plate; 603. Electroplated block; 604. Protruding rod; 605. Cylinder synchronizing clamp; 7. Moving mechanism; 8. Accessory installation tools; 9. Synchronous compensation mechanism; 901. Mounting base; 902. Radial groove; 903. First spring; 904. Guide block; 905. Pressure plate; 906. First connecting rod; 907. Convex sphere; 908. Second connecting rod; 909. Spherical groove; 910. Connecting seat; 911. Differential slider; 912. Vertical rod; 913. Synchronous constraint ring; 914. Arc block; 915. Arc groove; 916. Differential groove; 917. Guide rod; 918. Second spring; 919. Differential rocker arm; 920. Differential compensation ring; 10. Hydraulic equipment; 11. Bolt installation mechanism; 12. Lead screw. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0024] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a setting, 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. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] In the description of this embodiment, the terms "upper," "lower," "left," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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 limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0027] The present invention will be further described below with reference to embodiments.

[0028] Example: Please refer to the appendix. Figure 1-8 This solution proposes a continuous press-fitting equipment for the transmission shaft. A partition plate 2 is installed in the middle of the machine housing 1. A positioning clamp 3 is set at the center of the partition plate 2 to clamp and fix the central support of the transmission shaft, so that the central support of the transmission shaft maintains a stable axial and radial position, which facilitates the subsequent continuous press-fitting of bearings, dust covers and other accessories.

[0029] Inside the chassis 1, below the central partition 2, are four sets of uprights 4. A movable platform 5 is slidably mounted on each of the four sets of uprights 4. A compensation platform 6 is located on the movable platform 5, directly below the positioning fixture 3. When the positioning fixture 3 clamps and fixes the central support of the drive shaft, the lower end of the central support rests on the compensation platform 6 to provide structural support. Simultaneously, a motor-driven lead screw 12 is installed below the chassis 1, and the movable platform 5, located below the central partition 2, is fitted onto the lead screw 12. The motor drive allows the movable platform 5 to be raised and lowered below the central partition 2, adjusting the distance between the compensation platform 6 and the positioning fixture 3, thus accommodating continuous press-fitting operations for drive shaft central supports of different lengths.

[0030] Inside the chassis 1, above the central partition 2, are four sets of uprights 4, and a moving platform 5 is slidably mounted on the surface of the four sets of uprights 4. A moving mechanism 7 is installed below the moving platform 5, and several sets of accessory installation tools 8 are connected to the lower surface of the moving mechanism 7 for placing accessories to be pressed onto the central support of the drive shaft, such as bearings and dust covers.

[0031] Meanwhile, the moving mechanism 7 can control several sets of accessory installation tools 8 to move horizontally, thereby aligning the accessory installation tools 8, which hold different accessories, with the central support of the drive shaft fixed on the positioning fixture 3. Additionally, a camera is mounted on one side of the accessory installation tool 8 on the moving platform 5 to take product photos after the accessories on each accessory installation tool 8 have been press-fitted, in order to determine whether the product is installed correctly.

[0032] Inside the housing 1, above the central partition 2, a hydraulic device 10 is installed to drive the moving platform 5 of the installation moving mechanism 7 to lift and lower, so as to realize the continuous press-fitting operation of the accessories on the accessory installation tool 8 and the central support of the drive shaft. At the same time, inside the housing 1, behind the positioning fixture 3, a bolt installation mechanism 11 is also installed to install and fix bolts after the press-fitting of multiple accessories is completed.

[0033] Specifically, the positioning fixture 3 includes a base 301 mounted on the partition plate 2. The base 301 has holes penetrating the top and bottom of the partition plate 2 for placing the central support of the drive shaft. Two sets of clamping arms 302 are rotatably connected inside the base 301, distributed on both sides of the holes. The clamping arms 302 are rotatably connected to the base 301 via torsion springs, and under the elastic force of the torsion springs, they always tend to rotate outwards from the holes.

[0034] Meanwhile, inside the base 301, on the outer side of the two sets of clamping arms 302, push blocks 304 are slidably installed via cylinders 303. The cylinders 303 drive the push blocks 304 to slide, thereby causing the push blocks 304 to abut against the outer surface of the clamping arms 302. During the sliding process, the clamping arms 302 overcome the elastic force of the torsion spring and rotate, thereby closing the two sets of clamping arms 302 and clamping and fixing the central support of the transmission shaft.

[0035] More specifically, the compensation platform 6 includes a base plate 602 installed below the mobile platform 5. The base plate 602 is suspended below the mobile platform 5 by an extension rod 601. The surface of the base plate 602 is also provided with an electroplated block 603, which is used to place the lower end of the drive shaft center bracket and to provide support for it during press fitting.

[0036] The upper surface of the electroplated block 603 is also provided with a protruding rod 604 for aligning with the flange hole below the drive shaft center support. By extending the base plate 602 downwards via the extension rod 601, drive shaft center supports of different lengths can be placed on the compensation platform 6. Furthermore, the lower part of the housing 1 has an opening adapted to the base plate 602, allowing the lower moving platform 5 to accommodate the compensation platform 6 when it moves downwards. In addition, the compensation platform 6 also includes a cylinder synchronizing clamp 605 installed below the moving platform 5 for auxiliary clamping and fixing of the drive shaft center support.

[0037] Before performing the press-fitting operation of the drive shaft center bracket, according to the overall length of the drive shaft center bracket to be processed, the compensation platform 6 installed below the moving platform 5 is moved to a suitable support position by adjusting the lifting of the moving platform 5 below.

[0038] Since the base plate 602 of the compensation platform 6 is hoisted and connected to the lower part of the mobile platform 5 through the extension rod 601, the base plate 602 can move synchronously during the lifting and lowering of the mobile platform 5, thereby adjusting the overall height of the compensation platform 6 and ensuring that the lower ends of the central supports of the drive shafts of different lengths can be stably placed on the compensation platform 6.

[0039] After the drive shaft center bracket is installed in the positioning fixture 3, its lower end first contacts the electroplated block 603 on the compensation platform 6. The electroplated block 603 serves as the bearing contact surface to support and position the bottom of the center bracket. At the same time, the protruding rod 604 on the surface of the electroplated block 603 is inserted into the corresponding flange hole below the drive shaft center bracket to assist in limiting the bottom of the center bracket, so that the center bracket maintains a stable axial position and circumferential posture before press-fitting.

[0040] During the press-fitting process, when the hydraulic equipment 10 drives the upper accessory installation tool 8 to move downward and applies axial pressing force to the accessories such as bearings and dust covers, a large axial reaction force is generated between the accessories and the central support. At this time, the bottom plate 602 of the compensation platform 6 transmits the pressure from the bottom of the central support to the lower moving platform 5 through the extension rod 601, and is supported by the overall support structure of the moving platform 5 and the housing 1, thereby preventing the central support from axial movement, tilting or structural deformation due to the bottom being suspended during the press-fitting process.

[0041] Meanwhile, the electroplated block 603 utilizes its high surface hardness and stable contact performance to reduce frictional damage between the bottom of the central support and the compensation platform 6, thereby improving reliability during the support process.

[0042] When processing drive shaft center supports of different lengths, the position of the lower moving platform 5 is adjusted, causing the extension rod 601 to drive the base plate 602 to rise and fall synchronously. This changes the relative distance between the compensation platform 6 and the positioning fixture 3, ensuring that the electroplating block 603 always provides effective support to the bottom of the center support. Simultaneously, an opening matching the size of the base plate 602 is provided at the bottom of the chassis 1, allowing the base plate 602 to enter the opening when the moving platform 5 moves downwards for adjustment. This prevents the bottom structure of the chassis 1 from interfering with the movement of the compensation platform 6, thereby expanding the adjustment range of the compensation platform 6.

[0043] Through the above structure, the compensation platform 6 utilizes the cooperation between the extension rod 601, the base plate 602, the electroplated block 603, and the protruding rod 604 to achieve adaptive support and precise positioning of the center brackets of transmission shafts of different lengths. This solves the problems of insufficient bottom support, uneven pressing force, and easy workpiece displacement caused by changes in workpiece length in traditional press-fitting equipment. It enables the axial force to be stably transmitted during the press-fitting process, improves the structural stability and assembly accuracy during the press-fitting process, and enhances the equipment's adaptability to center brackets of transmission shafts of different specifications.

[0044] It should be noted that each set of accessory installation tools 8 is equipped with a synchronous compensation mechanism 9, which is used to solve the problem of axial misalignment between the accessory and the central support of the drive shaft due to machining errors, assembly gaps and uneven force during the press fitting process, so that the accessory can adaptively adjust according to the actual position of the workpiece when subjected to axial pressing force.

[0045] The synchronous compensation mechanism 9 is installed between the accessory installation tool 8 and the accessory to be pressed. In the initial stage of pressing, as the accessory installation tool 8 carries the accessory downwards and approaches the central support of the drive shaft, the synchronous compensation mechanism 9 first provides floating support for the accessory, so that the accessory's installation position is no longer completely limited by the fixed position of the accessory installation tool 8, but can produce radial fine adjustments within a certain range. When there is a slight deviation between the accessory's installation position and the central support, the accessory, guided by the central support, will push the synchronous compensation mechanism 9 to produce a corresponding compensating movement, forming a flexible connection between the accessory installation tool 8 and the accessory. This reduces the lateral impact force caused by misalignment of axes during rigid pressing, preventing the accessory from tilting, jamming, or being damaged during pressing, and improving the coaxial guiding capability during the press-fit process.

[0046] The synchronous compensation mechanism 9 includes a mounting base 901 located outside the accessory installation tool 8. The mounting base 901 is equipped with several sets of guide mechanisms that are equidistantly distributed in a circular pattern. These mechanisms are used to adaptively adjust the circumferential position and radial orientation of the accessory before it enters the press-fit stage and during the press-fit process, so that the accessory always maintains a coaxial relationship with the installation position of the drive shaft center bracket.

[0047] The accessory installation tool 8 is set as a cylindrical structure, and the mounting base 901 is set as a ring and coaxially distributed with the mounting base 901. It serves as a unified installation carrier for each group of guiding mechanisms, so that multiple guiding mechanisms can be evenly distributed around the central axis of the accessory installation tool 8, thereby forming a ring-shaped guiding compensation space.

[0048] When the accessory installation tool 8 carries the accessory toward the central support of the drive shaft, each set of guiding mechanisms first forms a uniform constraint around the outer periphery of the accessory, limiting unilateral displacement of the accessory through the guiding effect applied synchronously in multiple directions. When the accessory is slightly skewed due to processing errors, installation gaps, or uneven pressing force, the guiding mechanism in the skewed direction is subjected to the reaction force of the outer wall of the accessory, resulting in a corresponding displacement. This local offset is then transmitted to the synchronous constraint ring 913 through the subsequent linkage transmission structure. The synchronous constraint ring 913 then generates circumferential differential compensation according to the actual force state, thereby driving the guiding mechanisms in other directions to coordinate and adjust, enabling multiple guiding mechanisms to jointly correct the posture of the accessory.

[0049] By arranging multiple sets of guiding mechanisms evenly along the circumference of the mounting base 901, the accessories are constrained and compensated from multiple directions during the pressing process. Compared with the traditional single-sided guiding structure, this can prevent the accessories from tilting or getting stuck due to localized force during the pressing process.

[0050] Meanwhile, the coaxial structure of the annular mounting base 901 and the accessory installation tool 8 ensures that the motion reference of each guiding mechanism is consistent, so that the compensation actions generated in different directions can be coordinated and changed around the same center, which improves the automatic alignment capability and the fitting accuracy during the accessory pressing process, and provides a stable guiding foundation for the subsequent continuous pressing of multiple accessories.

[0051] The guiding mechanism includes a radial groove 902 disposed on the surface of the mounting base 901, the radial groove 902 being radially distributed relative to the accessory installation tool 8; a guiding block 904 is slidably mounted inside it via a first spring 903.

[0052] Under the elastic force of the guide block 904, the first spring 903 always has a force that slides towards the center of the accessory installation tool 8, thereby causing the second connecting rod 908 to abut against the outer surface of the accessory placed inside the accessory installation tool 8. By setting up several sets of guide mechanisms that are equidistantly distributed in a circular pattern, a uniform force can be applied from the outside of the accessory to maintain the accessory in a centered position on the accessory installation tool 8.

[0053] When the guiding mechanism is working, it first places the part into the part installation tool 8 according to the outer diameter of the part to be pressed. Since the guide block 904 is slidably installed in the radial groove 902 on the surface of the mounting base 901 by the first spring 903, the first spring 903 always applies an elastic thrust to the guide block 904 toward the center of the part installation tool 8 when it is not subjected to external force, so that the guide block 904 maintains the initial state of extending inward.

[0054] After the component is placed into the component installation tool 8, multiple guide blocks 904, evenly arranged circumferentially, simultaneously abut against the outer surface of the component. Through elastic constraints in multiple directions, the component is pre-positioned, automatically adjusting to a coaxial position with the component installation tool 8 before entering the pressing process. During the process of the component installation tool 8 carrying the component towards the central support of the drive shaft for press fitting, if there is a slight axial deviation or installation position offset between the component and the central support, the component will experience uneven radial force when entering the mating area. At this time, the outer wall of the component in the offset direction will push the corresponding guide block 904 outward along the radial groove 902, causing the first spring 903 to compress and absorb the local offset.

[0055] At the same time, the movement of the guide block 904 will cause the subsequent connecting rod balance mechanism to swing, so that the radial compensation movement of the guide block 904 is further transmitted to the circumferential differential compensation mechanism on the synchronous constraint ring 913. Through mechanical linkage, the guide blocks 904 in other directions will be coordinated and adjusted, thereby realizing synchronous correction in multiple directions.

[0056] After the component is fully inserted and gradually enters a stable pressing state, the guide blocks 904 in all directions continue to adhere to the outer side of the component under the continuous action of the first spring 903. This ensures that the component is always subjected to a uniform radial constraint force during the pressing process, preventing the component from tilting, shifting, or becoming locally stuck due to the pressing force. After pressing is completed, the component leaves the area of ​​the guiding mechanism, the external reaction force on the guide blocks 904 disappears, the first spring 903 releases its elastic potential energy, and pushes the guide blocks 904 back to their initial position along the radial groove 902, restoring the entire guiding mechanism to the working state required for the next pressing.

[0057] Through the cooperation of radial groove 902, first spring 903 and guide block 904, the guide mechanism can automatically center and constrain the parts and provide flexible compensation by using mechanical elastic force without adding an additional power source. At the same time, multiple sets of guide mechanisms are evenly arranged along the circumference of mounting base 901, so that the parts are subjected to balanced forces in multiple directions. This solves the problem that parts are prone to tilting due to initial positioning deviation, uneven force or pressing impact during traditional press fitting. It improves the coaxial stability of parts when entering the pressing position, reduces the risk of pressing jamming and assembly damage, and provides reliable posture maintenance and automatic correction effect for continuous press fitting.

[0058] The guide block 904 is designed with a T-shaped structure. A pressure plate 905 is rotatably connected to the side facing the center of the accessory installation tool 8 via a torsion spring. The pressure plate 905 always tends to rotate downwards under the elastic force of the torsion spring. Several sets of pressure plates 905 form a frustum-shaped structure below the accessory installation tool 8, wider at the bottom and narrower at the top, to guide the accessory during placement. After the accessory is placed, the pressure plate 905 will abut against the outer surface of the accessory under the elastic force of the guide block 904.

[0059] The pressure plate 905 is mainly used to automatically guide the parts during placement into the parts installation tool 8 and to flexibly clamp and position them after placement. Initially, the guide block 904 extends along the radial groove 902 towards the center of the parts installation tool 8 under the action of the first spring 903. Simultaneously, the pressure plate 905, installed inside the guide block 904, is elastically acted upon by a torsion spring, causing it to always tend to flip downwards. After multiple guiding mechanisms are evenly arranged along the circumference of the mounting base 901, the lower ends of each group of pressure plates 905 together form a frustum-shaped guide space that is smaller at the top and larger at the bottom around the central area of ​​the parts installation tool 8.

[0060] When the parts to be pressed are placed into the parts installation tool 8 from above, the conical inlet formed between the pressure plates 905 provides a large entry space for the parts due to its large lower opening. Even if there is a certain placement deviation, the parts can gradually move towards the center position along the conical surface. During the descent, the pressure plate 905 at the corresponding position pushes against the torsion spring force to generate a slight swing, thereby avoiding the parts from directly hitting the guide mechanism and improving the smoothness of the parts placement process.

[0061] As the accessory continues to descend and fully enters the bearing area of ​​the accessory installation tool 8, the force exerted by the outer side of the accessory on the pressure plate 905 gradually decreases. Under the restoring force of the torsion spring, the pressure plate 905 returns to its original position, causing its inner surface to rest against the outer surface of the accessory. Simultaneously, since the pressure plate 905 is connected to the guide block 904, and the guide block 904 is constantly subjected to the pushing force of the first spring 903 towards the center, the pressure plate 905, under the combined action of the torsion spring's elastic force and the radial pushing force of the first spring 903, forms a flexible clamping constraint on the outer side of the accessory, keeping the accessory centered within the accessory installation tool 8.

[0062] When a component moves slightly radially due to machining errors or placement misalignment, the pressure plate 905 in the offset direction is first squeezed by the outer wall of the component, and drives the corresponding guide block 904 to move compensatingly along the radial groove 902. At the same time, through the linkage of the subsequent linkage structure and the synchronous constraint ring 913, the local offset is transmitted to the guide mechanism in other directions, so that multiple pressure plates 905 adjust the constraint state on the component together, and realize the automatic correction of the component's posture.

[0063] When the accessory installation tool 8 carries the accessory for press fitting, the pressure plate 905 maintains flexible contact with the outer surface of the accessory at all times. This prevents the accessory from tilting or shifting due to uneven local force when subjected to axial pressing force, while also avoiding scratches or indentations on the accessory surface caused by the rigid clamping structure. After press fitting is completed, the accessory is removed from the guide area, and the pressure plate 905 loses its external constraint. Under the action of the torsion spring, it returns to its initial downward tilted state. Combined with the elastic reset of the guide block 904, this prepares for the next accessory placement and continuous press fitting cycle.

[0064] By setting up a T-shaped guide block 904, a torsion spring connecting pressure plate 905, and a circumferentially distributed frustum-shaped pressure plate structure, the guiding mechanism simultaneously possesses three functions: introduction guidance, automatic centering, and flexible holding. This solves the problems of high-precision alignment required when placing parts, easy collision and jamming during entry, and easy deviation during pressing in traditional parts installation tools. It realizes automatic guidance and stable positioning of parts throughout the entire process from placement to pressing, improving assembly efficiency, positioning accuracy, and operational reliability in continuous filling and pressing processes.

[0065] It is worth mentioning that a synchronous constraint ring 913 is also connected to the lower part of the mounting base 901 via a linkage balancing mechanism. The number of linkage balancing mechanisms is equal to the number of guiding mechanisms, and they are distributed in a equidistant circle on the mounting base 901, corresponding one-to-one with several sets of guiding mechanisms. This is used to mechanically couple the independent radial compensation actions of multiple guiding blocks 904, so that the guiding displacements in each direction can be mutually transmitted and coordinated, thereby achieving overall synchronous correction and balance constraint during the component pressing process.

[0066] During operation, when the accessory inside the accessory installation tool 8 is subjected to pressure and slightly shifts, the outer wall of the accessory on the shifting side first presses against the guide block 904 at the corresponding position, causing the guide block 904 to overcome the elastic force of the first spring 903 and move outward along the radial slide groove 902. Since the guide block 904 is connected to the linkage balance mechanism, the radial displacement of the guide block 904 is converted into the swing motion of the linkage balance mechanism, and further acts on the synchronous constraint ring 913, pushing the synchronous constraint ring 913 to produce a circumferential floating adjustment corresponding to the shifting direction.

[0067] Since the synchronous constraint ring 913 is connected to multiple sets of guiding mechanisms in equal numbers and at equal intervals in a circular manner, when one set of guiding mechanisms undergoes a displacement change, the synchronous constraint ring 913 can convert the local displacement into an overall circumferential motion, and distribute the compensation amount in the opposite direction through the linkage balance mechanism corresponding to other positions, so that the guiding blocks 904 in other directions can synchronously produce a slight adjustment.

[0068] In other words, the synchronous constraint ring 913 is not simply used to fix the guiding mechanism, but rather serves as a mechanical coordination center among multiple guiding mechanisms. It transforms a local offset in one direction into a balanced compensation action involving multiple directions, ensuring that each set of guiding blocks 904 always forms a dynamically adjusted ring constraint state around the center of the component. During continuous press-fitting, the component is prone to uneven local stress due to the axial pressing force and the reaction force of the mating surface. If the guiding blocks 904 are independent of each other, an offset in one direction will cause the component to tilt further, increasing the press-fitting resistance or even causing jamming. By setting the synchronous constraint ring 913, its circumferential floating characteristics can absorb the instantaneous offset in a single direction, and the offset can be transmitted to other guiding positions through the linkage balancing mechanism, so that multiple guiding blocks 904 form a linkage compensation relationship, thereby avoiding the problem of excessive yielding of a single guiding block or insufficient local constraint.

[0069] Furthermore, the synchronous constraint ring 913 can also cooperate with the circumferential differential compensation mechanism to generate differentiated compensation between the guiding mechanisms when the forces are uneven in different directions, rather than simply moving synchronously and equally. When the offset in a certain direction is large, the synchronous constraint ring 913 allows the guiding mechanism at the corresponding position to generate a large compensation displacement, while limiting excessive following movement at other positions through the differential structure, making the overall compensation process more flexible and balanced.

[0070] The linkage balancing mechanism includes a first link 906 rotatably connected to the outer side of the lower end of the guide block 904, and a second link 908 rotatably connected to the lower end of the first link 906. The lower end of the first link 906 is provided with a convex ball 907, and the upper end of the second link 908 is provided with a spherical groove 909. The convex ball 907 and the spherical groove 909 are connected. When the accessory inside the accessory installation tool 8 is subjected to radial offset during the pressing process, the outer wall of the accessory on the offset side first presses against the corresponding position of the guide block 904, causing the guide block 904 to overcome the elasticity of the first spring 903 and move outward along the radial groove 902. Since the upper end of the first link 906 is rotatably connected to the guide block 904, the radial movement of the guide block 904 will cause the first link 906 to swing around its connection position, converting the linear displacement of the guide block 904 into the angular displacement of the first link 906.

[0071] When the first link 906 swings, the convex sphere 907 at its lower end synchronously changes its spatial position and, under the constraint of the spherical groove 909 at the upper end of the second link 908, pushes the second link 908 to swing accordingly. Because the convex sphere 907 and the spherical groove 909 form a spherical rotational connection, the first link 906 and the second link 908 can not only achieve rotation in a single direction but also allow for multi-directional swing adjustment within a certain range. This avoids the jamming problem caused by spatial deviation during the correction and compensation process of traditional rigid hinge structures.

[0072] As the second link 908 swings, its lower end further drives the differential slider to move along the arc-shaped guide structure of the synchronous constraint ring 913, transmitting the radial compensation of the individual guide block 904 to the synchronous constraint ring 913. During the simultaneous operation of multiple guiding mechanisms, each group of link balancing mechanisms corresponds to one guide block 904. When a guide block 904 at a certain position experiences a large displacement, the first link 906 and the second link 908 at that position move first, pushing the synchronous constraint ring 913 to float circumferentially. The synchronous constraint ring 913 then redistributes the compensation generated in that direction through the link balancing mechanisms at other positions, causing the other guide blocks 904 to adjust in a coordinated manner. Through the combined action of multiple link balancing mechanisms, a mechanical linkage is formed between the guide blocks 904, achieving the effect of overall balance compensation triggered by local offset.

[0073] The combination structure of the first link 906 and the second link 908 realizes the motion conversion distance and compensation flexibility between the guide block 904 and the synchronous constraint ring 913, so that the small radial displacement can be amplified by the link to form a stable circumferential adjustment effect. At the same time, the two-stage link structure is used to disperse the impact load generated during the press-fitting process, avoiding the direct bearing of large lateral forces on a single link.

[0074] Furthermore, a ball joint connection with a convex ball 907 and a spherical groove 909 is provided between the first link 906 and the second link 908, enabling the link balancing mechanism to have multi-directional adaptive swing capability. This allows it to adapt to offsets and force changes in different directions, improving the flexibility and reliability of the mechanism during operation. Through the above structure, the link balancing mechanism solves the problems of independent guide points, inability to synchronously transmit offset compensation, and easy motion interference caused by rigid connections in traditional guide mechanisms. It realizes the transformation of the radial floating of the guide blocks into the circumferential differential adjustment of the synchronous constraint ring, enabling multiple guide blocks to perform coordinated compensation according to the actual force state of the parts. This improves the automatic alignment capability, coaxial holding capability, and stability of continuous fit-fit press-fit during the part pressing process.

[0075] The outer surface of the synchronization constraint ring 913 is also connected to several sets of equidistantly distributed arc-shaped blocks 914, with arc-shaped grooves 915 between the synchronization constraint rings 913 and the arc-shaped blocks 914. The surface of the mounting base 901 is provided with several sets of vertically distributed plumb rods 912, the lower ends of which are inserted into the arc-shaped grooves 915. This is used to ensure that the synchronization constraint ring 913 can perform small-angle circumferential floating compensation while constraining its motion trajectory, preventing radial offset, axial tilt, or excessive rotation of the synchronization constraint ring, thereby improving the synchronous compensation stability between multiple sets of guiding mechanisms.

[0076] During operation, the synchronous constraint ring 913 is connected to each set of guide blocks 904 via a linkage balance mechanism. When a guide block 904 in a certain direction is subjected to the offset of the accessory and causes radial movement, this displacement is transmitted to the synchronous constraint ring 913 through the first link 906 and the second link 908, causing the synchronous constraint ring 913 to rotate slightly or float around the central axis of the accessory installation tool 8. When the synchronous constraint ring 913 moves circumferentially, the plumb rod 912, which is fixedly installed on the mounting base 901, remains stationary, while the lower end of the plumb rod 912 is always inserted into the arc groove 915 formed between the outer arc blocks 914 of the synchronous constraint ring 913, so that the movement of the synchronous constraint ring 913 can only be carried out along the extension direction of the arc groove 915.

[0077] When the synchronous constraint ring 913 performs compensating motion, a sliding guide engagement is formed between the arc-shaped block 914 and the arc-shaped groove 915. The vertical rod 912 acts as a fixed guide to restrict the radial movement of the synchronous constraint ring 913, ensuring that the synchronous constraint ring 913 can only perform circumferential displacement around the center and will not produce eccentric movement due to the uneven force applied by the linkage balance mechanism. When a certain set of guiding mechanisms is subjected to a large offset force, the linkage balance mechanism in that direction will push the synchronous constraint ring 913 to produce local movement. At this time, the synchronous constraint ring 913, through the cooperation of multiple arc-shaped grooves 915 and the vertical rod 912, restricts the local force and converts it into stable circumferential movement, enabling the linkage balance mechanisms in other positions to obtain more stable displacement transmission, thereby achieving coordinated compensation of multiple guiding blocks 904.

[0078] Furthermore, the arc-shaped groove 915 also limits the maximum range of motion of the synchronous constraint ring 913. When the synchronous constraint ring 913 rotates to the predetermined compensation position, the vertical rod 912 forms a limiting contact with the end of the arc-shaped groove 915, preventing the synchronous constraint ring 913 from excessively deflecting due to continuous force, thus ensuring that the guiding mechanism is always within the effective compensation range. After the pressing is completed, the guiding block 904 returns to its initial position under the action of the first spring 903, and drives the synchronous constraint ring 913 to move in the opposite direction through the linkage balance mechanism. At this time, the arc-shaped groove 915 continues to provide guidance for the reset process of the synchronous constraint ring 913, enabling it to accurately return to its initial position and ensuring that each group of guiding mechanisms is in a consistent state during the next pressing cycle.

[0079] Through the cooperation of the arc-shaped block 914, the arc-shaped groove 915, and the vertical rod 912, the synchronous constraint ring 913 forms a restricted circumferential floating structure, which solves the problem that the ring linkage in the traditional synchronous compensation mechanism is prone to swaying, jamming, and loss of control of the compensation direction due to uneven force on the connecting rod. The synchronous constraint ring 913 can complete stable circumferential differential compensation under the drive of the guide block 904, and ensure the motion coordination between each group of guide mechanisms, thereby improving the automatic alignment capability, coaxial accuracy of pressing, and reliability of continuous operation in the part fitting pressing process.

[0080] It is particularly important to note that the synchronous constraint ring 913 is also equipped with a circumferential differential compensation mechanism, which is used to further realize the coordinated control between compensation actions in multiple directions, so that when the component is subjected to local offset, the offset can be transmitted and redistributed circumferentially through mechanical linkage.

[0081] Specifically, when a component is subjected to a large radial resistance on one side during the press-fitting process, the corresponding guide structure on that side is squeezed and generates a local displacement. This displacement is transmitted to the synchronous constraint ring 913 through the linkage balance mechanism, which drives the synchronous constraint ring 913 to generate a corresponding circumferential floating motion. At the same time, the circumferential differential compensation mechanism set on the synchronous constraint ring 913 uses multiple circumferentially distributed differential sliders, connecting rods and compensation swing structures to convert the displacement generated in the local direction into compensation motion in other directions, so that the guide structures at different positions can synchronously generate coordinated adjustments, thereby causing the center of the component to automatically move closer to the installation center of the drive shaft center bracket.

[0082] By cooperating with the synchronous constraint ring 913 and the circumferential differential compensation mechanism, the synchronous compensation mechanism 9 can not only complete position compensation in a single direction, but also achieve linkage compensation between multiple directions, avoiding the problem of limited compensation direction caused by the traditional floating pressure head relying only on single-point offset. In the continuous press-fitting process, this structure can automatically adjust the posture of the parts according to the actual stress state generated during each press-fitting, so that the parts always maintain the coaxial relationship with the central support mounting hole, thereby reducing the risk of press-fitting misalignment, local jamming, and damage to the mating surface, and improving the assembly accuracy, stability and consistency in the continuous press-fitting process of multiple parts.

[0083] The circumferential differential compensation mechanism includes a differential slide groove 916 disposed on the synchronous constraint ring 913. The differential slide groove 916 is arc-shaped and is distributed concentrically with the synchronous constraint ring 913. An arc-shaped guide rod 917 is disposed inside the differential slide groove 916. A differential slider 911 is slidably mounted on the surface of the guide rod 917. Connecting seats 910 are rotatably connected to the upper and lower surfaces of the differential slider 911.

[0084] The lower end of the second connecting rod 908 is rotatably connected to the connecting seat 910 above the differential slider 911. At the same time, two sets of second springs 918 are also sleeved on the surface of the guide rod 917. The two sets of second springs 918 are located on both sides of the differential slider 911 and always have the force to push it toward the center position of the differential groove 916.

[0085] When the component is subjected to radial offset during the press-fitting stage, the guide block 904 in a certain direction is squeezed by the outer wall of the component and moves outward along the radial groove 902. This movement is transmitted through the first link 906 and the second link 908, causing the second link 908 to oscillate around its connection position. Since the lower end of the second link 908 is rotatably connected to the connecting seat 910 above the differential slider 911, the oscillation of the second link 908 is further converted into the sliding motion of the differential slider 911 along the guide rod 917.

[0086] During the movement of the differential slider 911, since the differential slide groove 916 is set as an arc-shaped structure concentrically distributed with the synchronous constraint ring 913, and the guide rod 917 is fixedly set along the arc direction of the differential slide groove 916, the differential slider 911 can generate displacement along the circumferential direction of the synchronous constraint ring 913 without radial offset.

[0087] When a certain set of guiding mechanisms is subjected to a large offset, the second link 908 at the corresponding position pushes the differential slider 911 to move to one side along the arc-shaped guide rod 917, so that the local offset generated in this direction is converted into a differential displacement along the circumferential direction of the synchronous constraint ring 913. At the same time, during the movement of the differential slider 911, it will drive the synchronous constraint ring 913 to produce a slight circumferential adjustment, so that the synchronous constraint ring 913 can exert a coordinated compensation effect on the adjacent guiding mechanisms through other connection positions, thereby enabling multiple guiding blocks 904 to dynamically adjust according to the actual force state.

[0088] The second springs 918, located on both sides of the guide rod 917, play a role in differential reset and balance throughout the compensation process. In the initial state, the two sets of second springs 918 are located on both sides of the differential slider 911, and apply opposing elastic thrusts to the differential slider 911, keeping the differential slider 911 in the center position of the differential groove 916.

[0089] When the guide block 904 in a certain direction pushes the second link 908 to cause the differential slider 911 to deviate, the differential slider 911 will compress the second spring 918 on one side and release the elastic force of the second spring 918 on the other side, so that the differential slider 911 can move flexibly according to the actual offset. When the part is pressed into place or the external offset force disappears, the compressed second spring 918 releases its elastic potential energy and pushes the differential slider 911 back to the center position, so that the synchronous constraint ring 913 and each set of guide mechanisms restore the initial balance state, providing a stable compensation reference for the next pressing cycle.

[0090] This solves the problem in traditional ring-shaped guiding mechanisms where the guiding points can only move synchronously and cannot adapt to local offset differences. In actual press-fitting processes, due to fit errors between components and the central support, as well as uneven force distribution, the offsets in different directions are not entirely consistent. If a rigid synchronous structure is used, it can easily lead to overcompensation in some directions and undercompensation in others. Through the cooperation of the differential groove 916, guide rod 917, differential slider 911, and second spring 918, the synchronous constraint ring 913 possesses the ability to absorb local displacement and perform circumferential differential adjustment, thus forming a flexible mechanical linkage between the various guiding mechanisms.

[0091] It realizes the compensation process of local offset sensing, linkage displacement transmission, circumferential differential adjustment, and elastic automatic reset, so that the guiding mechanism can adaptively adjust according to the actual posture changes of the parts during continuous press fitting, reduce jamming and press fitting damage caused by the skewed entry of parts, improve the coaxial positioning accuracy between the parts and the central support of the drive shaft, and at the same time ensure the stability and reliability of the equipment during continuous cyclic press fitting.

[0092] A differential rocker arm 919 is rotatably connected to a connecting seat 910 below the differential slider 911. The lower end of the differential rocker arm 919 is rotatably connected to the differential compensation ring 920 through a set of connecting seats 910. The differential compensation ring 920 and the synchronous constraint ring 913 are coaxially distributed.

[0093] This is used to further convert the circumferential displacement of the differential slider 911 along the differential groove 916 into the synchronous floating adjustment of the differential compensation ring 920, so that while completing the local offset compensation, the guiding mechanism can perform secondary coordination and correction of the overall component posture, thereby improving the dynamic alignment capability during the press-fitting process.

[0094] During operation, when the guide block 904 in a certain direction is subjected to the offset of the accessory and moves radially, this displacement is first transmitted to the differential slider 911 through the first connecting rod 906 and the second connecting rod 908, causing the differential slider 911 to slide circumferentially along the arc-shaped guide rod 917 inside the differential groove 916. Since the differential slider 911 is rotatably connected to the differential rocker arm 919 below through the connecting seat 910, the circumferential movement of the differential slider 911 will drive the upper end of the differential rocker arm 919 to move synchronously, causing the differential rocker arm 919 to swing around its connection position.

[0095] As the differential rocker arm 919 swings, its lower end acts on the differential compensation ring 920 through the connecting seat 910, causing the differential compensation ring 920 to produce a slight circumferential offset or floating adjustment relative to the synchronous constraint ring 913. Since the differential compensation ring 920 and the synchronous constraint ring 913 are coaxially distributed, the movement of the differential compensation ring 920 always revolves around the central axis of the accessory installation tool 8, and no eccentric movement occurs.

[0096] When the differential slider 911 in a certain direction produces a large displacement, the differential rocker arm 919 at the corresponding position transmits the displacement to the differential compensation ring 920, causing the differential compensation ring 920 to produce a compensation movement in the corresponding direction. At the same time, the differential compensation ring 920 coordinates and adjusts the guiding state in multiple directions through its linkage with other guiding structures, so that the center of the component is gradually corrected to the installation center position of the drive shaft center bracket.

[0097] The purpose of the differential rocker arm 919 is to change the motion transmission form between the differential slider 911 and the differential compensation ring 920, so that the arc movement of the differential slider 911 does not directly act on the compensation ring, but is flexibly converted through the rocker arm mechanism.

[0098] Since the differential pendulum 919 has a certain degree of freedom of swing, when it is subjected to different degrees of offset in multiple directions at the same time, each set of differential pendulum 919 can swing at different angles according to the force at the corresponding position, so that the differential compensation ring 920 can obtain differentiated compensation amount, thereby avoiding the problem that all compensation points in the traditional rigid ring structure can only move synchronously and equally.

[0099] Meanwhile, the differential rocker arm 919 can also buffer the instantaneous impact generated during the press-fitting process, dispersing the local impact force generated between the parts and the central support to the entire differential compensation ring 920, reducing the load borne by a single guide mechanism.

[0100] After pressing is completed, when the component is no longer subject to offset, the guide block 904 returns to its initial position under the action of the first spring 903, and the differential slider 911 returns to the center area of ​​the differential slide groove 916 under the push of the second spring 918. At this time, the differential rocker arm 919 swings in the opposite direction with the differential slider 911, and drives the differential compensation ring 920 to reset synchronously, so that the entire differential compensation structure returns to its initial state, providing a stable compensation reference for the next continuous press-fitting. Through the combination of the differential slider 911, the differential rocker arm 919 and the differential compensation ring 920, the mechanism forms a kinematic chain of radial offset input, circumferential differential sliding, flexible rocker arm conversion and ring secondary compensation, realizing adaptive adjustment of multi-directional offset during component pressing.

[0101] This structure solves the problem that traditional synchronous guiding mechanisms can only perform single-layer compensation and cannot make differentiated adjustments based on offsets in different directions. It enables the parts to maintain a more stable center posture during the press-fitting process, improving coaxial accuracy, force balance, and continuous assembly reliability during the press-fitting process.

[0102] The outer surface of the differential compensation ring 920 is also connected to several sets of arc-shaped blocks 914 distributed equidistantly in a circular pattern, and arc-shaped grooves 915 are provided between the arc-shaped blocks 914 and the differential compensation rings 920. The lower end of the vertical rod 912 on the mounting base 901 passes through the arc-shaped groove 915 on the outer side of the synchronous constraint ring 913 and then inserts downward into the arc-shaped groove 915 on the outer side of the differential compensation ring 920.

[0103] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A continuous press-fitting equipment for filling and fitting, comprising a chassis (1), characterized in that, The chassis (1) has a central partition (2) fixed inside, and a positioning clamp (3) for fixing the central support of the drive shaft is installed on the central partition (2). Inside the chassis (1), there are movable platforms (5) that can be raised and lowered on the upper and lower sides of the partition plate (2). The lower movable platform (5) is connected to a compensation platform (6) for supporting the central support of the transmission shaft, and the upper movable platform (5) is connected to a moving mechanism (7). The moving mechanism (7) is provided with several accessory installation tools (8) below it. Each accessory installation tool (8) is used to carry different specifications of press-fit accessories, and each accessory installation tool (8) is connected to a synchronous compensation mechanism (9) below it. The synchronous compensation mechanism (9) is used to automatically align and compensate the posture of the parts during the pressing process. It includes a mounting base (901), a guide mechanism set on the mounting base (901), and a synchronous constraint ring (913) connected to the mounting base (901) below the mounting base (901) through a linkage balance mechanism. The synchronous constraint ring (913) is provided with a circumferential differential compensation mechanism, which is used to perform differential compensation according to the offset in different directions, so that the parts can maintain a coaxial state with the central support of the drive shaft during the continuous press-fitting process.

2. The continuous pressing equipment for filling according to claim 1, characterized in that, The compensation platform (6) includes a base plate (602) suspended below the mobile platform (5). The base plate (602) is provided with an electroplated block (603) for supporting the central support of the drive shaft. The electroplated block (603) is provided with a protruding rod (604) for positioning in conjunction with the flange hole of the central support of the drive shaft.

3. The continuous pressing equipment for filling according to claim 1, characterized in that, The accessory installation tool (8) is configured as a cylindrical structure. The mounting base (901) is located outside the accessory installation tool (8) and is configured as a ring structure coaxially distributed with the accessory installation tool (8). The surface of the mounting base (901) is provided with several sets of guiding mechanisms evenly distributed along the circumferential direction.

4. A continuous press-fitting equipment for filling according to claim 3, characterized in that, The guiding mechanism includes a radial groove (902) disposed on the surface of the mounting base (901). Inside the radial groove (902) is a guide block (904) that can slide elastically. The guide block (904) has a pressure plate (905) that can rotate elastically and is used to elastically abut against the outside of the accessory on the side facing the center of the accessory installation tool (8).

5. A continuous press-fitting equipment for filling according to claim 4, characterized in that, The linkage balancing mechanism includes a first link (906) rotatably connected to the outer side of the lower end of the guide block (904) and a second link (908) rotatably connected to the lower end of the first link (906). The lower end of the first link (906) is provided with a convex ball (907), and the upper end of the second link (908) is provided with a spherical groove (909) that cooperates with the convex ball (907).

6. A continuous press-fitting equipment for filling according to claim 5, characterized in that, The outer surface of the synchronous constraint ring (913) is connected to several sets of arc-shaped blocks (914) that are equidistantly distributed along the circumferential direction. An arc-shaped groove (915) is formed between adjacent arc-shaped blocks (914) and the synchronous constraint ring (913). Several sets of vertically arranged plumb rods (912) are provided on the surface of the mounting base (901). The lower end of the plumb rod (912) is inserted into the arc-shaped groove (915) to limit the movement direction of the synchronous constraint ring (913).

7. A continuous press-fitting equipment for filling according to claim 6, characterized in that, The circumferential differential compensation mechanism includes a differential slide groove (916) disposed on the synchronous constraint ring (913). The differential slide groove (916) is configured as an arc-shaped structure and is distributed in concentric circles with the synchronous constraint ring (913). An arc-shaped guide rod (917) is disposed inside the differential slide groove (916). A differential slider (911) is slidably connected to the surface of the arc-shaped guide rod (917). Connecting seats (910) are rotatably connected to both the upper and lower sides of the differential slider (911). The lower end of the second connecting rod (908) is rotatably connected to the connecting seat (910) above the differential slider (911).

8. A continuous press-fitting equipment for filling according to claim 7, characterized in that, The surface of the arc-shaped guide rod (917) is fitted with two sets of second springs (918). The two sets of second springs (918) are located on both sides of the differential slider (911) and are used to push the differential slider (911) to reset to the center position of the differential groove (916).

9. A continuous press-fitting equipment for filling according to claim 8, characterized in that, The differential slider (911) is rotatably connected to the connecting seat (910) below the differential slider (911). The lower end of the differential slider (919) is rotatably connected to the differential compensation ring (920) through the connecting seat (910). The differential compensation ring (920) and the synchronous constraint ring (913) are coaxially distributed and are used to convert the circumferential displacement of the differential slider (911) into the compensation motion of the differential compensation ring (920).

10. A continuous press-fitting equipment for filling according to claim 1, characterized in that, The moving mechanism (7) is used to drive multiple accessory installation tools (8) to adjust their lateral position so that different accessory installation tools (8) correspond to and cooperate with the central support of the transmission shaft on the positioning fixture (3).

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