Spinning forming equipment and technology for special-shaped lining of automobile shock absorber

Abstract

The invention relates to spinning forming equipment and process for a special-shaped lining of an automobile shock absorber. The spinning forming equipment comprises a plurality of jigs, and the spinning forming equipment comprises a feeding driving mechanism, a rotating driving mechanism and a spinning wheel; synchronous machining of a plurality of blanks can be completed through movement of the spinning wheel along the machining axis in combination with linkage control of the rotary driving mechanism and the feeding driving mechanism, the production efficiency is effectively improved, and the problem that in a traditional technology, the machining efficiency of a single piece is low is solved. The whole process is highly automatic, manual intervention is not needed, the equipment operation complexity and dependence on the manual technical level are reduced, and meanwhile the influence of human factors on the machining quality is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of automobile shock absorber bushing processing, and in particular to a spinning forming device and a process for a special-shaped bushing of an automobile shock absorber. Background Art

[0002] In the field of automobile manufacturing, automobile shock absorbers are the key elements to ensure the comfort and safety of vehicles, and their performance is directly related to the quality of the whole vehicle. As an important component of shock absorbers, shock absorber bushings play a vital and irreplaceable role in the shock absorber's buffering, noise reduction, and stability of connecting parts.

[0003] At present, most of the traditional automobile shock absorber bushings are made by spinning. As shown in Figures 1 and 2, the bushing blank 1 is a cylindrical structure, composed of a disc and a cylinder, and the disc is located on the top of the cylinder, thereby forming a step-like structure. Through the processing of the spinning equipment, the original cylindrical structure at the top of the blank 1 will be deformed to form a conical structure, and a wave-like step structure will appear between the disc and the cylindrical structure.

[0004] However, the existing processing methods have many disadvantages. Usually, a single mechanical processing method is used, which has obvious limitations. Only a single bushing can be operated at a time, and the processing procedures are complicated, requiring multiple clamping and positioning, which will consume a lot of time and manpower costs. In a hollow motor shaft outer cylindrical shoulder forming process disclosed in a Chinese patent (publication number CN117161700A), a specific shoulder structure is successfully formed on the hollow motor shaft through spinning technology, and the closing spinning process has certain similarities with the bushing part structure. Unfortunately, due to the large processing object parts, and the patent, like traditional equipment, can only use a single mechanical processing method to process the workpiece, which makes it still unable to get rid of the dilemma of low processing efficiency when facing bushing processing parts, which seriously restricts the improvement of production efficiency and the reduction of production costs. Summary of the invention

[0005] In view of the above problems, a spinning forming device and process for automobile shock absorber special-shaped bushings is provided. By moving the spinning wheel along the processing axis and combining the linkage control of the rotary drive mechanism and the feed drive mechanism, the synchronous processing of multiple blanks can be completed, which effectively improves the production efficiency and solves the problem of low single-piece processing efficiency in traditional processes. The entire processing process is highly automated without manual intervention, which reduces the complexity of equipment operation and the dependence on manual technical level, and also reduces the impact of human factors on processing quality.

[0006] In order to solve the problems in the prior art, the present invention provides a spinning forming device for a special-shaped bushing of an automobile shock absorber, comprising: A plurality of jigs for loading blanks, the spin forming equipment has a vertical processing axis, the vertical axes of all jigs are on a cylindrical surface with the processing axis as the axis; a feed drive mechanism for driving all jigs to move synchronously along the normal direction of the cylindrical surface; a rotation drive mechanism for synchronously driving all jigs to rotate around their own vertical axis; a spinning wheel that is coaxial with the processing axis and can move along the processing axis; when the spinning wheel moves along the processing axis, the rotation drive mechanism synchronously drives all jigs to rotate, and at the same time the feed drive mechanism drives all jigs to synchronously approach the processing axis, so that the spinning wheel processes the blank in the jig.

[0007] Preferably, the feed drive mechanism includes a fixed disk and a driving disk coaxial with the fixed disk and capable of rotating relative to the fixed disk, the fixed disk is provided with a plurality of fixed slide rails extending along its radial direction and cooperating with the upper part of the jig, and the driving disk is provided with a plurality of inclined driving slide rails cooperating with the lower part of the jig.

[0008] Preferably, the rotary drive mechanism includes a coupling, a transmission shaft and a driver. The driver is arranged at the bottom of the spin forming equipment, the coupling is installed below the fixture, the transmission shaft is a retractable structure, and both ends of the transmission shaft are respectively connected to the driver and the coupling.

[0009] Preferably, the spinning wheel is a conical structure, and the spinning forming equipment is provided with a support arm that can move in the vertical direction, the support arm is arranged in a horizontal state, and a third rotary drive motor is arranged at one end of the support arm close to the processing axis, and the spinning wheel is transmission-connected to the third rotary drive motor.

[0010] Preferably, the jig is a cylindrical structure with an opening at the top, and a mounting plate is provided at the top of the jig.

[0011] Preferably, the jig is provided with a plurality of mounting holes equidistantly arranged around its axis, each mounting hole is provided with a positioning head which can slide along the axis direction of the mounting hole, an electromagnetic ring electrically connected to the outside is sleeved on the jig, the positioning head is elastically connected to the electromagnetic ring, and when the electromagnetic ring is energized, the positioning head is magnetically connected to the electromagnetic ring.

[0012] Preferably, a distance sensor for detecting the distance between the spinning wheel and the fixed disk is arranged on the fixed disk.

[0013] A spinning forming process for a special-shaped bushing of an automobile shock absorber is applied to the above-mentioned spinning forming equipment for the special-shaped bushing of an automobile shock absorber, and comprises the following steps: S1. Blank parts inspection: Check whether the blank parts are qualified and remove the unqualified blank parts; S2. Loading and clamping of blanks: Install qualified blanks on the spinning equipment; S3, Spinning: Batch spinning is performed through spinning forming equipment; S4, finished product inspection and unloading: inspect and unload the blanks after spinning; in: Step S1: detecting the wall thickness and height of the blank, and a blank having both qualified wall thickness and height is considered qualified; Step S4: testing the wall thickness and height of the blank after the spinning process; if both the wall thickness and the height are qualified, the blank is a qualified finished product; The spinning equipment described in step S2 can perform synchronous spinning processing on no less than two blanks at the same time.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can process multiple blanks synchronously through the spin forming equipment, effectively improving the production efficiency and solving the problem of low processing efficiency caused by only processing a single blank in the traditional spinning process. All jigs are arranged on a cylindrical surface with the processing axis of the spin forming equipment as the axis, and the feed drive mechanism can synchronously drive all jigs to move along the normal direction of the cylindrical surface, ensuring that the distance and path between the blanks on all jigs and the spinning wheel are consistent during the processing, thereby ensuring the synchronization and consistency of the processing of the blanks during the processing, thereby improving the quality and dimensional accuracy of the finished parts. Through the movement of the spinning wheel along the processing axis, combined with the control of the jig by the rotary drive mechanism and the feed drive mechanism, the entire processing process is highly automated, and the synchronous processing of multiple blanks can be completed without human intervention, reducing the complexity of equipment operation and the dependence on the level of human technology, and also reducing the influence of human factors on the processing quality.

[0015] 2. The cylindrical structure of the jig opening of the present invention provides a cavity inside the jig for installing a mold matching the blank. The mounting plate on the jig serves as a mounting base for the mold, ensuring that the mold can be stably fixed on the jig. The jig cavity and mounting plate provide reliable support for the fixation of the mold, making the blank more stable during processing, avoiding the influence of vibration or offset on the processing quality, and at the same time, the rotation of the jig can drive the rotation of the mold.

[0016] 3. The present invention can accurately monitor the distance between the spinning wheel and the fixed disk by setting a distance sensor, and feed back the monitoring data to the back-end control system. The back-end control system dynamically adjusts the moving distance of the fixture according to the feedback data to ensure the position accuracy during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a three-dimensional structural schematic diagram of a blank part and a finished part in a spinning forming equipment for a special-shaped bushing of an automobile shock absorber.

[0018] Figure 2 The present invention is a schematic diagram of the cross-sectional structure of a blank part and a finished part in a spinning forming device for a special-shaped bushing of an automobile shock absorber.

[0019] Figure 3 The present invention is a three-dimensional structural schematic diagram of a spinning device in a spinning forming device for a special-shaped bushing of an automobile shock absorber.

[0020] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of a spinning device in a spinning forming device for a special-shaped bushing of an automobile shock absorber. Figure 1 .

[0021] Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0022] Figure 6 This is a schematic diagram of the three-dimensional cross-sectional structure of a spinning device in a spinning forming device for a special-shaped bushing of an automobile shock absorber. Figure 2 .

[0023] Figure 7 yes Figure 6 Enlarged view of point B in the middle.

[0024] Figure 8 The present invention is a three-dimensional structural schematic diagram of a mounting box in a spinning forming device for a special-shaped bushing of an automobile shock absorber.

[0025] Fig. 9 It is a top view of the mounting box in the spinning forming equipment of special-shaped bushings for automobile shock absorbers.

[0026] Fig.10 The present invention is a three-dimensional structural schematic diagram of the interior of a mounting box in a spinning forming device for a special-shaped bushing of an automobile shock absorber.

[0027] Fig.11 This is an exploded view of the jig, finished parts and mold in the spinning forming equipment of the special-shaped bushing of the automobile shock absorber.

[0028] The numbers in the figure are: 1. Blank; 2. Finished product; 3. Spinning equipment; 31. Jig; 311. Mounting plate; 312. Mold; 313. Mounting hole; 314. Positioning head; 315. Electromagnetic ring; 32. Feed drive mechanism; 321. Fixed plate; 3211. Fixed slide rail; 3212. First slider; 322. Drive plate; 3221. Drive slide rail; 3222. Second slider; 3223. Worm gear; 323. Mounting box; 3231. Worm; 3 232. First rotary drive motor; 33. Rotary drive mechanism; 331. Coupling; 3311. First bevel gear; 3312. Mounting bracket; 332. Transmission shaft; 3321. Second bevel gear; 3322. Third bevel gear; 333. Driver; 3331. Second rotary drive motor; 3332. Rotary shaft; 3333. Bevel gear ring; 34. Spinning wheel; 341. Third rotary drive motor; 342. Support arm; 35. Distance sensor. DETAILED DESCRIPTION

[0029] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0030] like Figures 1 to 6 As shown: a spinning forming device 3 for a special-shaped bushing of an automobile shock absorber, comprising: a plurality of jigs 31 for loading a blank 1, the spinning forming device 3 having a vertical processing axis, the vertical axes of all jigs 31 being located on a cylindrical surface with the processing axis as the axis; a feed drive mechanism 32 for driving all jigs 31 to synchronously move along the normal direction of the cylindrical surface; a rotation drive mechanism 33 for synchronously driving all jigs 31 to rotate around their own vertical axis; a spinning wheel 34 coaxial with the processing axis and capable of moving along the processing axis; when the spinning wheel 34 moves along the processing axis, the rotation drive mechanism 33 synchronously drives all jigs 31 to rotate, and at the same time, the feed drive mechanism 32 drives all jigs 31 to move synchronously until the blank 1 is formed.

[0031] First, place the qualified blank 1 on the jig 31, fix the blank 1 by the jig 31, start the spinning wheel 34, move the spinning wheel 34 along the processing axis, and the spinning wheel 34 can approach the direction of the blank 1 until the spinning wheel 34 contacts the blank 1; at the same time, start the rotary drive mechanism 33, drive all jigs 31 to rotate synchronously through the rotary drive mechanism 33, and drive the blank 1 to rotate through the rotation of the jig 31; according to the processing requirements, after the spinning wheel 34 contacts the jig 31, start the feed drive mechanism 32, and drive multiple jigs 31 to move along the normal direction of the cylindrical surface synchronously through the feed drive mechanism 32, so that the blank 1 can move along the normal direction of the cylindrical surface while rotating, thereby meeting the processing requirements of various complex curved surfaces on the blank 1. This process is particularly suitable for batch processing of small parts such as special-shaped bushings, which helps to expand the application scope of spinning processing technology.

[0032] The spin forming equipment 3 can process multiple blanks 1 synchronously, which effectively improves production efficiency and solves the problem of low processing efficiency caused by the traditional process that only a single blank 1 can be processed. All jigs 31 are arranged on a cylindrical surface with the processing axis of the spin forming equipment 3 as the axis, and the jigs 31 are synchronously driven to move along the normal direction of the cylindrical surface by the feed drive mechanism 32, ensuring that the distance and path between the blanks 1 on all jigs 31 and the spinning wheel 34 during the processing are consistent, thereby ensuring the synchronization and consistency of the processing of the blanks 1 during the processing, thereby improving the quality and dimensional accuracy of the finished parts 2. Through the movement of the spinning wheel 34 along the processing axis, combined with the linkage control of the rotating drive mechanism 33 and the feed drive mechanism 32, the entire processing process is highly automated, and the synchronous processing of multiple blanks 1 can be completed without human intervention, reducing the complexity of equipment operation and the dependence on human technical level, and also reducing the influence of human factors on processing quality.

[0033] During the processing, the jig 31 fixes the blank 1, and processes the blank 1 synchronously through the rotary drive mechanism 33 and the feed drive mechanism 32, thereby avoiding the generation of waste products due to position offset or deformation of the blank 1 during the processing. At the same time, multi-station synchronous processing can also significantly shorten the production cycle and reduce the processing cost of a single piece.

[0034] like Figures 1 to 5 , Figures 8 to 11 As shown: the feed drive mechanism 32 includes a fixed disk 321 and a driving disk 322 which is connected to the fixed disk 321 and can rotate relative to the fixed disk 321, the fixed disk 321 is provided with a plurality of fixed slide rails 3211 extending along its radial direction and cooperating with the upper part of the fixture 31, and the driving disk 322 is provided with a plurality of inclined driving slide rails 3221 which cooperate with the lower part of the fixture 31.

[0035] The fixed plate 321 is installed below the spinning wheel 34, and the fixed plate 321 is coaxially arranged with the spinning wheel 34, so that the structure of the entire feed drive mechanism 32 is more compact and the space utilization rate is higher. Each fixed slide rail 3211 is provided with a first slider 3212 that slides with it, and the upper part of the fixture 31 is rotatably connected to the first slider 3212. The combination of the fixed plate 321 and the fixed slide rail 3211 makes the arrangement of the fixture 31 more uniform, ensures the smooth movement of the fixture 31 during the feeding process, effectively reduces the vibration and deviation that may occur during the movement, thereby improving the operating reliability of the equipment and reducing the equipment failure rate.

[0036] The sliding cooperation between the fixed slide rail 3211 and the first slider 3212 ensures the consistency of the moving trajectory of each blank 1 during the processing, thereby improving the processing quality and dimensional accuracy of the finished product and ensuring the consistency of the processing of multiple parts.

[0037] The number of fixed slide rails 3211 on the fixed plate 321 is the same as the number of fixtures 31 and corresponds one to one. Through this arrangement, multiple blanks 1 can be loaded and processed at the same time, which greatly improves the processing efficiency of the equipment and is suitable for mass production needs.

[0038] The jig 31 can be flexibly installed on the fixed slide rail 3211 through the slidingly matched first slider 3212. The jig 31 can be quickly adjusted and replaced according to different processing requirements to adapt to the processing of blanks 1 of different specifications or shapes, thereby improving the processing adaptability and versatility of the equipment.

[0039] The jig 31 is mounted on the first slide 3212, and can not only slide and feed along the fixed slide rail 3211, but also rotate independently, ensuring that the jig 31 can maintain the rotation function of the blank 1 during the synchronous sliding process. Such a setting effectively avoids the interference between the sliding and rotation of the jig 31, thereby further improving the processing accuracy.

[0040] The fixed rail 3211 of the fixed plate 321 is arranged to facilitate the installation and maintenance of the fixture 31 and the first slider 3212. The slider can be quickly disassembled, replaced or adjusted in position, thereby greatly reducing the maintenance cost and downtime of the equipment.

[0041] The jigs 31 on the fixed disk 321 are evenly distributed, and the radial arrangement of the fixed slide rails 3211 realizes uniform load transfer, which can avoid equipment loss due to excessive local load and improve the service life and processing stability of the equipment.

[0042] The driving disk 322 is rotatably installed below the fixed disk 321. The driving disk 322 is coaxially arranged with the fixed disk 321. Each driving slide rail 3221 is provided with a second slider 3222 that is slidably matched therewith. The lower part of the fixture 31 is rotatably connected to the second slider 3222. By rotating the driving disk 322, the fixture 31 can be reciprocated along the fixed slide rail 3211. The rotational motion of the driving disk 322 is effectively utilized and converted into radial displacement of the fixture 31, thereby meeting the spinning processing requirements of complex curved surface parts.

[0043] The driving disk 322 drives the second sliders 3222 of all the jigs 31 synchronously through multiple driving rails 3221, ensuring that the blank 1 on each jig 31 has a consistent feed speed and displacement path during spinning. This synchronous driving mechanism significantly improves the consistency and dimensional accuracy of the processed parts, and is particularly suitable for batch production with high-precision requirements; it enables the equipment to process the outer surfaces of multiple parts at one time, realizes dynamic processing of multiple stations, effectively improves the processing efficiency of the equipment, shortens the processing time of a single piece, and meets the needs of batch production.

[0044] The coaxial arrangement of the driving disk 322 and the fixed disk 321 makes the overall structure compact, and the coordination between the fixed rail 3211 and the driving rail 3221 is reasonably set, thereby avoiding interference problems in the movement of the fixture 31. The movement path of the fixture 31 is precisely controlled by the bidirectional restriction of the fixed rail 3211 and the driving rail 3221, and complex process actions can be completed without frequent manual adjustments, thereby reducing human errors in the processing process.

[0045] like Figures 1 to 5 , Figures 8 to 11 As shown: an installation box 323 supporting the fixed disk 321 is provided below the fixed disk 321, the driving disk 322 is located in the installation box 323, and a plurality of worm gear teeth 3223 equidistantly surrounding its axis are provided on the outer edge of the driving disk 322, and a worm 3231 meshingly connected with the worm gear teeth 3223 on the driving disk 322 and a first rotating drive motor 3232 for driving the worm 3231 to rotate are provided in the installation box 323.

[0046] The meshing connection between the worm 3231 and the worm gear 3223 of the drive disk 322 realizes precise rotation control of the drive disk 322. Since the worm 3231 transmission has self-locking property, the angle of the drive disk 322 can be stably fixed when there is no power output, avoiding the influence of the processing accuracy due to the angle deviation of the drive disk 322 during the processing.

[0047] The first rotary drive motor 3232 can accurately control the rotation speed of the worm 3231 by speed regulation, thereby realizing flexible adjustment of the rotation speed of the drive disk 322, meeting the processing speed requirements under different process requirements, and further improving the processing adaptability of the equipment.

[0048] The high torque output characteristics of the worm 3231 transmission can meet the power requirements of the drive disc 322 when processing multiple blanks 1. Even under high load conditions, the drive disc 322 can still operate smoothly, improving the processing capacity of the equipment. The drive disc 322 is arranged in the installation box 323, which prevents dust, impurities, etc. in the external environment from polluting or damaging the drive disc 322 and its worm gear 3223, enhancing the protection capability of the equipment and extending the service life of the equipment.

[0049] The support of the fixing disk 321 by the installation box 323 and the built-in driving disk 322 make the overall structure compact, reduce the space occupied by the equipment, and facilitate the transportation and installation of the equipment, which is suitable for the layout requirements of multi-station processing in industrial scenarios.

[0050] The modular arrangement of the drive disc 322 and the worm 3231 makes the maintenance and replacement of parts of the feed drive mechanism 32 more convenient and quick, while reducing the maintenance difficulty and cost caused by the complex structure.

[0051] like Figures 1 to 6 , Fig.10 and Fig.11 As shown: the rotary drive mechanism 33 includes a coupling 331, a transmission shaft 332 and a driver 333. The driver 333 is arranged at the bottom of the spin forming equipment 3, the coupling 331 is installed below the fixture 31, the transmission shaft 332 is a retractable structure, and the two ends of the transmission shaft 332 are respectively connected to the driver 333 and the coupling 331.

[0052] The driver 333 includes a second rotary drive motor 3331, a rotary shaft 3332 and a bevel gear ring 3333. The rotary shaft 3332 is rotatably arranged at the bottom of the spin forming equipment 3, and the rotary shaft 3332 is coaxially arranged with the processing axis. The bevel gear ring 3333 is sleeved on the rotary shaft 3332. The second rotary drive motor 3331 is located below the rotary shaft 3332, and the rotary shaft 3332 is connected to the second rotary drive motor 3331.

[0053] The coupling 331 includes a mounting frame 3312 and a first bevel gear 3311 arranged on the mounting frame 3312. The first bevel gear 3311 can rotate synchronously with the fixture 31. The transmission shaft 332 is arranged between the mounting frame 3312 and the bevel gear ring 3333, and the second bevel gear 3321 and the third bevel gear 3322 are respectively arranged at both ends of the transmission shaft 332. The second bevel gear 3321 is meshed and connected with the first bevel gear 3311, and the third bevel gear 3322 is meshed and connected with the bevel gear ring 3333.

[0054] The rotating shaft 3332 is driven by the second rotating drive motor 3331, and the rotating shaft 3332 transmits power to the bevel gear ring 3333. The rotation of the bevel gear ring 3333 drives the third bevel gear 3322 meshing with it. The rotation of the third bevel gear 3322 drives the rotation of the transmission shaft 332. The power is transmitted to the second bevel gear 3321 through the transmission shaft 332. The second bevel gear 3321 transmits power to the first bevel gear 3311 meshing with it. The first bevel gear 3311 drives the rotation of the jig 31. The rotation of the jig 31 drives the rotation of the blank 1, thereby completing the rotation drive of the blank 1, so that it can keep rotating while sliding with the jig 31.

[0055] By setting the transmission shaft 332 as a retractable structure, the equipment can meet the processing requirements of parts with multiple specifications and sizes, thereby enhancing the processing adaptability and flexibility of the equipment.

[0056] Through the synergistic effect of the coupling 331, the transmission shaft 332 and the driver 333, the driver 333 can efficiently transmit power to each fixture 31, ensuring that all fixtures 31 rotate synchronously, effectively meeting the requirements for consistency and synchronization of the blank 1 during spinning. It is particularly suitable for the demand for high-precision and high-quality products, and provides a strong guarantee for the mass production of special-shaped bushings for automobile shock absorbers.

[0057] like Figures 3 to 7 As shown: the spinning wheel 34 is a conical structure, and the spin forming equipment 3 is provided with a support arm 342 that can move in the vertical direction, the support arm 342 is arranged in a horizontal state, and a third rotary drive motor 341 is arranged at one end of the support arm 342 close to the processing axis, and the spinning wheel 34 is connected to the third rotary drive motor 341 in transmission.

[0058] Since the finished part 2 eventually forms a cone-like cylindrical structure, when processing a single part, it is usually necessary to adjust the tilt angle of the spinning wheel 34 so that it maintains a certain angle when in contact with the part to meet the processing requirements of the part. However, for the above-mentioned equipment, since the design requires that multiple blanks 1 can be processed simultaneously, the spinning wheel 34 cannot be tilted individually.

[0059] This problem is cleverly solved by adopting a conical spinning wheel 34. The conical spinning wheel 34 can provide the required contact angle with the conical part without tilting through its natural conical surface. This not only achieves precise processing of the finished part 2, but also avoids the complex tilt adjustment mechanism, simplifies the structure of the equipment, and ensures the consistency of multi-station processing. In addition, the conical spinning wheel 34 can maintain good contact with the conical surface of the blank 1 during the processing, thereby dispersing the processing pressure and reducing deformation and damage caused by local uneven force. The processing accuracy and surface quality are improved, and the processing requirements of high-precision special-shaped bushings are further met.

[0060] By moving the support arm 342 in the vertical direction and maintaining the horizontal state, the position of the spinning wheel 34 is flexibly adjusted to ensure the accuracy of the spinning wheel 34 in contact with the blank 1, reduce the processing error, and effectively improve the processing accuracy. At the same time, the spinning wheel 34 can effectively adapt to blanks 1 of different specifications and complex processing requirements, significantly improving the flexibility of the equipment.

[0061] The third rotary drive motor 341 on the support arm 342 is in transmission connection with the spinning wheel 34 to provide efficient and stable power output, ensuring that the spinning wheel 34 can rotate at a stable speed during the processing, thereby improving the processing quality and surface finish.

[0062] The contact surface of the conical spinning wheel 34 changes gradually during the processing, which can effectively disperse the pressure and reduce the concentrated wear on the surface of the spinning wheel 34, thereby extending the service life of the equipment and reducing maintenance costs.

[0063] The vertical movement of the support arm 342 is indeed common in the prior art, and has a variety of driving modes, such as screw slide drive, cylinder drive or electric push rod drive.

[0064] like Figure 1 , Figure 2 , Figures 4 to 7 and Fig.11 As shown, the fixture 31 is a cylindrical structure with an opening on the top, and a mounting plate 311 is provided on the top of the fixture 31.

[0065] The jig 31 has a cavity inside through its open cylindrical structure, which is used to install a mold 312 that matches the blank 1 (the mold 312 is a cylindrical structure, and the top of the mold 312 has the same conical structure as the top of the finished part 2, which is used to support the blank 1 and facilitate its molding). The mounting plate 311 serves as a mounting base for the mold 312 to ensure that the mold 312 (the mold 312 can also be a hollow disc-shaped structure for different parts) can be firmly fixed on the jig 31. The cavity of the jig 31 and the mounting plate 311 provide reliable support for the fixation of the mold 312, making the blank 1 more stable during the processing, avoiding the influence of vibration or offset on the processing quality, and at the same time, the rotation of the jig 31 can drive the rotation of the mold 312.

[0066] It should be noted that, since the mold 312 will be installed in the fixture 31, and the blank 1 will be placed in the fixture 31, there is a gap between the mold 312 and the cavity of the fixture 31 for the blank 1 to pass through, such as Figures 3 to 8 and Fig.11 The blank 1 shown will be sleeved on the mold 312 after entering the cavity.

[0067] When the spinning wheel 34 processes the blank 1, the mold 312 can provide stable support for the blank 1, ensuring that the blank 1 can maintain a predetermined shape during processing and effectively preventing the deformation from being out of control due to external forces. In addition, the close fit between the mold 312 and the blank 1 makes the force during processing more uniform, thereby improving the processing accuracy and the quality of the finished product.

[0068] The mold 312 provides precise shape constraints for the blank 1 during processing, ensuring the accuracy of part deformation during the spinning process and avoiding deviations. The fixture 31 has a simple and flexible structure, and the corresponding mold 312 can be replaced according to the blank 1 of different specifications, greatly improving the versatility and adaptability of the equipment. Through the cooperation of the mold 312 and the spinning wheel 34, the fixture 31 can quickly complete clamping and processing, reducing the adjustment time in production and improving production efficiency.

[0069] like Figures 4 to 8 and Fig.11 As shown: the fixture 31 is provided with a plurality of mounting holes 313 equidistantly surrounding its axis, each mounting hole 313 is provided with a positioning head 314 that can slide along the axis direction of the mounting hole 313, and the fixture 31 is sleeved with an electromagnetic ring 315 electrically connected to the outside, the positioning head 314 is elastically connected to the electromagnetic ring 315, and when the electromagnetic ring 315 is energized, the positioning head 314 is magnetically connected to the electromagnetic ring 315.

[0070] By energizing and deenergizing the electromagnetic ring 315, the positioning head 314 is magnetically connected to the electromagnetic ring 315, and the positioning head 314 moves along the axis of the mounting hole 313, thereby completing the rapid release and fixation of the blank 1. Compared with the traditional mechanical clamping device, the loading and unloading time of the blank 1 before and after processing is greatly shortened, and the production efficiency is improved.

[0071] The magnitude of the magnetic attraction can be precisely controlled by adjusting the current intensity of the electromagnetic ring 315, thereby achieving safe fixation of blanks 1 of different sizes and materials, and ensuring the stability of the blanks 1 during processing. The sliding structure of the positioning head 314 combined with the electromagnetic ring 315 enables the fixture 31 to adapt to the fixation requirements of blanks 1 of different shapes and specifications, without the need to frequently replace the fixture 31, thereby enhancing the versatility and adaptability of the equipment.

[0072] The use of electromagnetic drive instead of the traditional mechanical fixing method effectively reduces the friction and wear between the components of the fixture 31, prolongs the service life of the equipment, and reduces maintenance costs. Remote control through the electromagnetic ring 315 can avoid direct contact between the operator and the equipment, reduce the risk of accidents, and improve operational safety.

[0073] The magnetically driven positioning head 314 can maintain uniform clamping force, avoid the misalignment of the blank 1 due to uneven force, and ensure processing accuracy. The power-on control of the electromagnetic ring 315 can be linked with the automation system of the equipment to realize automatic clamping and processing of the blank 1, improve the automation level of the production line, and further optimize production efficiency.

[0074] like Figures 3 to 8 As shown, a distance sensor 35 for detecting the distance between the spinning wheel 34 and the fixed disk 321 is arranged on the fixed disk 321 .

[0075] During the operation of the equipment, the distance sensor 35 can accurately monitor the distance between the spinning wheel 34 and the fixed disk 321, and feed back the monitoring data to the back-end control system. The back-end control system dynamically adjusts the moving distance of the fixture 31 according to the feedback data to ensure the position accuracy during the processing. The real-time monitoring and feedback mechanism of the distance sensor 35 ensures that the distance between the spinning wheel 34 and the blank 1 is always in the optimal processing state, avoiding the problem of poor processing caused by too large or too small spacing, thereby significantly improving the processing accuracy of the product.

[0076] The moving distance of the fixture 31 is automatically adjusted through the feedback signal of the distance sensor 35, which reduces manual intervention and improves the intelligence and automation level of the equipment operation.

[0077] Real-time monitoring can effectively prevent the spinning wheel 34 from accidentally colliding with the fixed plate 321 or the blank 1, thereby extending the service life of the equipment and protecting the blank 1 from damage. The distance sensor 35 can automatically adjust the moving range of the fixture 31 according to the processing requirements of different blanks 1, so that the equipment can be compatible with the processing of blanks 1 of multiple specifications, thereby improving production flexibility. Automatically adjusting the moving distance of the fixture 31 reduces the error correction time during processing, thereby improving the overall processing efficiency.

[0078] like Figures 1 to 3 As shown: A spinning forming process for a special-shaped bushing of an automobile shock absorber includes the following steps: S1. Blank part 1 inspection: inspect whether the blank part 1 is qualified, and remove unqualified blank parts 1.

[0079] S2, loading and clamping of the blank part 1: installing the qualified blank part 1 on the spin forming equipment 3.

[0080] S3, spinning process: Batch spinning process is performed through the spinning forming equipment 3.

[0081] S4, inspection and unloading of finished parts 2: inspection and unloading of the blank parts 1 after spinning.

[0082] Wherein: Step S1 is to detect the wall thickness and height of the blank 1, and a blank 1 is qualified if both the wall thickness and the height are qualified.

[0083] In step S4, the wall thickness and height of the blank part 1 after the spinning process are detected. If both the wall thickness and the height are qualified, the finished part 2 is qualified.

[0084] The spinning equipment 3 described in step S2 can perform synchronous spinning processing on no less than two blanks 1 at the same time.

[0085] The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the protection scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A spinning forming equipment for automobile shock absorber special-shaped bushings, characterized in that: include: A plurality of jigs for loading blanks, the spin forming equipment has a vertical processing axis, and the vertical axes of all jigs are located on a cylindrical surface with the processing axis as the axis; A feed drive mechanism for driving all jigs to move synchronously along the normal direction of the cylindrical surface; A rotary drive mechanism for synchronously driving all jigs to rotate around their own vertical axes; A spinning wheel coaxial with the processing axis and movable along the processing axis; When the spinning wheel moves along the processing axis, the rotary drive mechanism synchronously drives all the jigs to rotate, and at the same time the feed drive mechanism drives all the jigs to synchronously approach the processing axis, so that the spinning wheel processes the blank in the jig.

2. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 1 is characterized in that: The feed drive mechanism includes a fixed disk and a driving disk coaxial with the fixed disk and capable of rotating relative to the fixed disk. The fixed disk is provided with a plurality of fixed slide rails extending along its radial direction and cooperating with the upper part of the jig. The driving disk is provided with a plurality of inclined driving slide rails cooperating with the lower part of the jig.

3. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 1 is characterized in that: The rotary drive mechanism includes a coupling, a transmission shaft and a driver. The driver is arranged at the bottom of the spin forming equipment, the coupling is installed under the fixture, the transmission shaft is a retractable structure, and the two ends of the transmission shaft are respectively connected to the driver and the coupling.

4. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 1 is characterized in that: The spinning wheel is a conical structure. The spinning forming equipment is provided with a support arm that can move in the vertical direction. The support arm is arranged in a horizontal state. A third rotary drive motor is arranged at one end of the support arm close to the processing axis. The spinning wheel is transmission-connected to the third rotary drive motor.

5. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 1, characterized in that: The fixture is a cylindrical structure with an opening on the top, and a mounting plate is arranged on the top of the fixture.

6. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 5, characterized in that: The fixture is provided with a plurality of mounting holes equidistantly arranged around its axis, each mounting hole is provided with a positioning head which can slide along the axis direction of the mounting hole, an electromagnetic ring electrically connected to the outside is sleeved on the fixture, the positioning head is elastically connected to the electromagnetic ring, and when the electromagnetic ring is energized, the positioning head is magnetically connected to the electromagnetic ring.

7. The spinning forming equipment for automobile shock absorber special-shaped bushings according to claim 2, characterized in that: A distance sensor for detecting the distance between the spinning wheel and the fixed disk is arranged on the fixed disk.

8. A spinning process for a special-shaped bushing of an automobile shock absorber, applied to a spinning device for a special-shaped bushing of an automobile shock absorber as claimed in any one of claims 1 to 7, characterized in that: The following steps are included: S1. Blank part inspection: inspect whether the blank parts are qualified and remove unqualified blank parts; S2. Loading and clamping of blanks: Install qualified blanks on the spinning equipment; S3, Spinning: Batch spinning is performed through spinning forming equipment; S4, finished product inspection and unloading: inspect and unload the blanks after spinning; in: Step S1: detecting the wall thickness and height of the blank, and a blank having both qualified wall thickness and height is considered qualified; Step S4: testing the wall thickness and height of the blank after the spinning process, and the finished product is qualified if both the wall thickness and height are qualified; The spinning equipment described in step S2 can perform synchronous spinning processing on no less than two blanks at the same time.

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