A rebound detection equipment for a rubber bushing of a new energy vehicle and a detection method thereof

Abstract

The present application relates to the technical field of new energy automobile accessories, and particularly relates to a rebound detection equipment for rubber bushings of new energy automobiles and a detection method thereof, which comprises a feeding rack disc, a conveying belt and a detection machine assembly, the feeding rack disc comprises a plurality of rack rods, a bushing to be detected is placed on the rack rods in a sleeved manner, and the lower end of the rack rod is fixedly connected with a rotatable feeding disc; the inner side of the detection machine assembly is provided with a lifting table, the lifting table drives the bushing to ascend along the rack rod to a detection position, and the detection machine assembly detects the bushing, and the detected bushing falls into the conveying belt; a plurality of moving clamping grooves are annularly formed on the lower side of the feeding disc, a clamping rod is clamped and arranged in the moving clamping groove, a fixing seat is rotatably connected to the lower side of the feeding disc, a guide groove is formed in the upper side of the fixing seat in a penetrating manner, and a rotating disc is rotatably connected to the lower end of the fixing seat, and the present application conveniently and efficiently realizes the function of rapid detection.

Description

Technical Field

[0001] This invention relates to the technical field of new energy vehicle parts, and in particular to a rebound testing device and testing method for rubber bushings of new energy vehicles. Background Technology

[0002] Rubber bushings are crucial components in the suspension systems of new energy vehicles. Primarily made of rubber, they are typically used in conjunction with a metal frame. Their main functions are shock absorption, noise reduction, impact cushioning, and providing flexible connections, thereby improving the performance and lifespan of the mechanical system. They are widely used in automotive suspension systems, engine mounts, chassis connectors, and other components. For example, in new energy vehicles, rubber bushings are used in components such as control arms and stabilizer bars in the suspension system to enhance vehicle comfort and handling. During the manufacturing process of rubber bushings, rebound performance testing is often required to detect their ability to recover under stress. The rebound performance of the bushing directly affects the vehicle's handling, comfort, and safety.

[0003] Currently, in actual production, bushing testing machines are widely used as standard equipment for performance testing of bushings. Workers typically use several racks arranged in a disc shape to place and store bushings. During loading, a lifting robot lifts several bushings from one rack as a whole. Then, a horizontal displacement mechanism drives a gripper robot to move, gripping and lifting the topmost bushing, thus detaching it from the rack. It is then moved and placed on the clamping fixture of the testing machine. The clamping fixture then clamps and positions the bushing, and finally, the testing head presses down to perform performance testing, thus achieving automatic loading and unloading testing of bushings. However, the overall process is too cumbersome and wastes equipment resources, such as the lifting robot, gripper robot, and their corresponding displacement mechanisms, increasing production costs and reducing work efficiency.

[0004] Therefore, it is necessary to provide a rebound testing equipment and method for rubber bushings in new energy vehicles, which can achieve rapid testing. Summary of the Invention

[0005] The purpose of this invention is to provide a rebound testing equipment and method for rubber bushings in new energy vehicles, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a rebound testing equipment and method for rubber bushings of new energy vehicles, comprising a loading rack, a conveyor belt, and a testing machine assembly.

[0007] The feeding rack includes several feeding rods, on which the lining to be tested is sleeved, and the lower end of the feeding rod is fixedly connected to a rotatable feeding tray.

[0008] The inner side of the testing machine assembly is provided with a lifting platform. The lifting platform drives the lining kit to rise along the material rack rod to the testing position, and the testing machine assembly tests it. After testing, the lining kit falls into the conveyor belt.

[0009] The lower side of the feeding tray is provided with several movable slots in a ring shape. A locking rod is locked in the movable slot. The lower side of the feeding tray is rotatably connected to a fixed base. A guide groove is provided through the upper side of the fixed base. The lower end of the fixed base is rotatably connected to a rotating disk. An inclined groove is provided through the rotating disk. The locking rod passes through the guide groove and the inclined groove in sequence.

[0010] A locking drive unit is provided between the feeding disc and the rotating disc, and the locking drive unit drives the rotating disc or the feeding disc to rotate.

[0011] In one embodiment, a guide rod is fixedly connected to one end of the clamping rod, a cylindrical groove is provided on the inner side of the fixing seat, the guide rod slides in the cylindrical groove, and a retraction spring is provided between the guide rod and the cylindrical groove.

[0012] In one embodiment, the engaging drive unit includes a first retaining ring, which is fixed to the lower end of the feeding tray. A second retaining ring, which is adjustable, is provided on the lower side of the first retaining ring. The second retaining ring is adapted to the first retaining ring and has a distance difference. The second retaining ring passes through the fixed base and is fitted with it with a clearance.

[0013] In one embodiment, the lower end of the second retaining ring is fixedly connected to a retaining rod, and the two ends of the retaining rod are fixedly connected to a retaining member, the lower end of the retaining member having a chamfer.

[0014] The upper end of the rotating disk is provided with a snap-fit ​​groove, and a snap-fit ​​component two is fixedly connected to the inner side of the snap-fit ​​groove. Similarly, the upper end of the snap-fit ​​component two is provided with a chamfer.

[0015] In one embodiment, the length of the guide groove is greater than that of the movable card slot, and an angle is provided between adjacent movable card slots.

[0016] In one embodiment, one end of the guide groove is slidably fitted with a push rod, one end of the push rod is fixedly connected to an arc-shaped wedge, the inner side of the fixing seat is provided with a square groove, the arc-shaped wedge is slidably fitted with the square groove, and the lower end of the second retaining ring is provided with an inclined surface adapted to the arc-shaped wedge.

[0017] In one embodiment, a chassis is fixedly connected to the lower end of the fixed base, a motor component is disposed inside the chassis, a drive sleeve is driven at the upper end of the motor component, a connecting rod is fitted with the inner side of the drive sleeve with clearance, a pair of straight keys are fixedly connected to the outer end of the connecting rod, keyways are provided on both sides of the drive sleeve, the straight keys slide along the keyways, the upper end of the connecting rod passes through the rotating disk and is fitted with it with clearance, and the upper end of the connecting rod is fixedly connected to the snap-fit ​​rod.

[0018] In one embodiment, the detection machine assembly includes a detection sensor head and a base. A cylinder assembly is provided on the upper side of the detection sensor head, and a lifting port is provided through the inner side of the base. A lead screw is provided in the lifting port.

[0019] The lifting platform includes an L-shaped lifting seat and a moving platform. The moving platform is slidably engaged with the L-shaped lifting seat. The moving platform is driven by an electric cylinder. An adaptation opening is provided through the moving platform. The lead screw passes through the L-shaped lifting seat and is threadedly connected to it. The L-shaped lifting seat slides along the lifting opening.

[0020] In one embodiment, the testing machine assembly further includes a pusher rod, a transverse groove is provided on one side of the machine base, one end of the pusher rod extends into the transverse groove and slides therewith, a pusher platform is provided on one side of the pusher rod, and a material discharge ramp is fixedly connected to one end of the pusher platform, the material discharge ramp being connected to a conveyor belt.

[0021] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: The present invention uses several material rack rods on the feeding rack to collect and limit the lining kit to be tested. Several lining kits are fitted onto the material rack rods, and the two are compatible, so that the lining kits are restricted and the center position is also corrected. One of the material rack rods is vertically aligned with the testing machine component. Then, the lifting platform sequentially clamps the lining kit at the top of the material rack rod and lifts it to the testing position. At this time, the lining kit is still partially fitted onto the material rack rod, thereby ensuring that the testing position is not off-center. Then, the testing machine component tests its rebound performance. Finally, the testing machine component pushes the tested lining kit into the conveyor belt for unloading. The limiting function during testing can be completed directly by the material rack rods themselves limiting the lining kits. The lining kits are directly fed from the material rack rods and tested, without the need for additional clamping and positioning fixtures, and eliminating the relatively cumbersome clamping robot and its moving mechanism, further simplifying the process, improving work efficiency and saving costs.

[0022] Equipped with movable slots, in the initial state, the locking rods engage with the movable slots, thus fixing the position of the feeding tray. Each movable slot corresponds to the position of each material rack rod, and the locking rods are restricted to linear displacement within the guide groove. When the feeding tray needs to rotate to switch to the next material rack rod, the engaging drive unit first drives the rotating disk to rotate. The rotating disk restricts and pulls the locking rods through the inclined groove, causing several locking rods to move inward, thus first disengaging from the movable slots and releasing the feeding tray's self-positioning. Then, the engaging drive unit drives the feeding tray to rotate again, causing the next movable slot to move to the locking rod position. The locking rods reset and engage with each other, thus repositioning and completing the workstation switching between material rack rods, ensuring the stability of liner loading and inspection. Attached Figure Description

[0023] The technical solution and other beneficial effects of this application will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0024] In the attached diagram:

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a three-dimensional schematic diagram of the bottom of the feeding tray of the present invention;

[0027] Figure 3 This is a partial cross-sectional schematic diagram of the feeding tray of the present invention;

[0028] Figure 4 This is a partial cross-sectional schematic diagram of the fixing base of the present invention;

[0029] Figure 5 This is a partial cross-sectional view of the rotating disk of the present invention;

[0030] Figure 6 This is a cross-sectional schematic diagram of the present invention;

[0031] Figure 7 This is a cross-sectional schematic diagram of the feeding rack tray of the present invention;

[0032] Figure 8 This is a three-dimensional schematic diagram of the bottom of the retaining ring II of the present invention;

[0033] Figure 9 yes Figure 4 A magnified view of a portion of region B;

[0034] Figure 10 yes Figure 7 A magnified view of a portion of region C;

[0035] Figure 11 This is a three-dimensional schematic diagram of the bottom of the drive sleeve of the present invention;

[0036] Figure 12 This is a three-dimensional schematic diagram of the L-shaped lifting seat of the present invention;

[0037] Figure 13 yes Figure 1 A magnified view of a portion of region A;

[0038] In the diagram: 1. Feeding rack; 101. Feeding rack rod; 102. Feeding tray; 103. Moving slot; 104. Locking rod; 105. Fixed base; 106. Rotating disk; 107. Inclined groove; 108. Guide groove; 109. Guide rod; 110. Angled angle; 111. Top rod; 112. Arc-shaped wedge; 113. Chassis; 114. Motor components; 115. Drive sleeve; 116. Connecting rod; 117. Straight key;

[0039] 2. Snap ring one; 201. Snap ring two; 202. Snap rod; 203. Snap connector one; 204. Snap groove; 205. Snap connector two;

[0040] 3. Reset rod; 301. Countersunk hole

[0041] 4. L-shaped lifting seat; 401. Moving table; 402. Electric cylinder; 403. Push rod; 404. Pushing platform;

[0042] 5. Testing machine components; 501. Testing sensor head; 503. Lead screw;

[0043] 6. Liner kit;

[0044] 7. Conveyor belt;

[0045] 8. Machine base; 801. Horizontal slot. Detailed Implementation

[0046] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0047] Please see Figure 1-13 The present invention provides a technical solution: a rebound testing equipment and method for rubber bushings of new energy vehicles, comprising a loading rack 1, a conveyor belt 7, and a testing machine assembly 5.

[0048] The feeding rack 1 includes several rack rods 101, on which the liner 6 to be tested is sleeved, and the lower end of the rack rod 101 is fixedly connected to a rotatable feeding tray 102.

[0049] The inner side of the inspection machine assembly 5 is provided with a lifting platform. The lifting platform drives the liner 6 to rise along the material rack rod 101 to the inspection position, and the inspection machine assembly 5 inspects it. After inspection, the liner 6 falls into the conveyor belt 7.

[0050] The lower side of the feeding tray 102 is provided with several movable slots 103 in a ring shape. A locking rod 104 is locked in the movable slot 103. The lower side of the feeding tray 102 is rotatably connected to a fixed seat 105. A guide groove 108 is provided through the upper side of the fixed seat 105. The lower end of the fixed seat 105 is rotatably connected to a rotating disk 106. A inclined groove 107 is provided through the rotating disk 106. The locking rod 104 passes through the guide groove 108 and the inclined groove 107 in sequence.

[0051] A locking drive unit is provided between the feeding disc 102 and the rotating disc 106, which drives the rotating disc 106 or the feeding disc 102 to rotate respectively.

[0052] The lining kit 6 to be tested is collected and positioned by several rack rods 101 on the feeding rack plate 1. Several lining kits 6 are fitted onto the rack rods 101, and the two are compatible, so that the lining kit 6 is restricted and its center position is also aligned. One rack rod 101 is vertically aligned with the testing machine assembly 5. Then, the lifting platform sequentially inserts the lining kit 6 at the uppermost end of the rack rod 101 and lifts it to the testing position. At this time, the lining kit 6 is still partially fitted onto the rack rod 101, thus ensuring that the testing position is not off-center. The rebound performance is then tested by the testing machine assembly 5. Specifically, the testing machine assembly 5 includes a detection sensor head 501 and a base 8. A cylinder assembly is provided on the upper side of the detection sensor head 501. The cylinder assembly drives the detection sensor head 501 to descend, pressing down on the lining kit 6 and applying a preset compression force to it. The head 501 is equipped with a displacement sensor and a force sensor, which simultaneously record displacement and force data. After the sensing head 501 is unloaded, the springback of the liner 6 is measured by the displacement sensor, and the springback rate is calculated to complete the inspection (since the inspection technology of the inspection machine is a relatively mature existing technology, it will not be described in detail here). Finally, the inspection machine component 5 pushes the inspected liner 6 into the conveyor belt 7 for unloading. The above steps are repeated until all the liner 6 on the current material rack rod 101 has been inspected. In other words, this application can directly complete the limiting function of the liner 6 by limiting the material rack rod 101 itself. The liner 6 is directly loaded and inspected from the material rack rod 101 without the need for additional clamping and positioning fixtures, and eliminates the relatively cumbersome clamping robot and its moving mechanism, further simplifying the process, improving work efficiency and saving costs.

[0053] Preferably, since this application uses the material rack rod 101 itself as a positioning fixture for the liner 6, it is necessary to control the positional accuracy and stability of the feed tray 102 after rotation to ensure that the detection sensor head 501 is aligned with the liner 6. Therefore, a movable slot 103 is provided. Specifically, in the initial state, the locking rod 104 is engaged in the movable slot 103, thereby fixing the position of the feed tray 102. The position of each movable slot 103 corresponds to the position of each material rack rod 101, and the locking rod 104 is restricted to linear displacement within the guide groove 108. When the feed tray 102 needs to rotate, the position is switched. When the next material rack rod 101 is reached, the engaging drive unit first drives the rotating disk 106 to rotate. The rotating disk 106 restricts and pulls the displacement of the clamping rod 104 through the inclined groove 107, causing several clamping rods 104 to move inward, thereby first disengaging from the moving slot 103 and releasing the self-positioning of the feeding disk 102. Then, the engaging drive unit drives the feeding disk 102 to rotate, causing the next moving slot 103 to move to the position of the clamping rod 104. The clamping rod 104 resets and engages with it, thus completing the repositioning and completing the workstation switching between the material rack rods 101, ensuring the stability of the liner 6 during feeding and inspection.

[0054] One end of the lever 104 is fixedly connected to the guide rod 109. A cylindrical groove is provided on the inner side of the fixing seat 105. The guide rod 109 slides in the cylindrical groove. A retraction spring is provided between the guide rod 109 and the cylindrical groove.

[0055] Preferably, in order to improve the stability of the clamping rod 104 when it moves, a guide rod 109 is provided. The guide rod 109 slides with the cylindrical groove to guide the displacement of the clamping rod 104. A retraction spring is also provided so that the clamping rod 104 automatically engages with the moving groove 103 when the force is released, thus ensuring the stability of the feeding disc 102.

[0056] The locking drive unit includes a locking ring 2, which is fixed to the lower end of the feeding tray 102. A lifting locking ring 201 is provided on the lower side of the locking ring 2. The locking ring 201 is adapted to the locking ring 2 and there is a distance difference. The locking ring 201 passes through the fixed base 105 and is fitted with it with a clearance.

[0057] Preferably, a second retaining ring 201 that can be raised and lowered is provided, and there is a distance difference between the second retaining ring 201 and the first retaining ring 2. Specifically, when it is necessary to drive the feeding disc 102 to rotate for work station switching, the second retaining ring 201 moves upward so that its retaining teeth contact the retaining teeth of the first retaining ring 2. The second retaining ring 201 can drive the first retaining ring 2 to rotate, thereby driving the feeding disc 102 to rotate and switch work stations.

[0058] The lower end of the snap ring 201 is fixedly connected to the snap rod 202, and the two ends of the snap rod 202 are fixedly connected to the snap member 203. The lower end of the snap member 203 is provided with a chamfer.

[0059] The upper end of the rotating disk 106 is provided with a snap-fit ​​groove 204, and a snap-fit ​​part 205 is fixedly connected to the inner side of the snap-fit ​​groove 204. Similarly, the upper end of the snap-fit ​​part 205 is provided with a chamfer.

[0060] Preferably, when it is necessary to drive the rotating disk 106 to rotate, thereby releasing the self-positioning of the feeding disk 102, a locking rod 202 is provided. Specifically, when the locking ring 201 rotates (rotation direction as shown in the image), a locking rod 202 is provided. Figure 8As shown, and the rotation direction is the same as that of the snap ring 201 driving snap ring 2, it drives a pair of snap fasteners 203 to rotate, so that the vertical surface of snap fastener 203 contacts the vertical surface of snap fastener 205, thereby transmitting torque to drive the rotating disk 106 to rotate, which in turn drives the snap rod 104 to move and disengage from the moving slot 103. Then snap ring 201 and snap rod 202 can move upward, and the snap teeth of snap ring 201 contact the snap teeth of snap ring 202. Snap ring 201 can then drive snap ring 202 and the feeding disk 102 to rotate one station distance. At this time, the first snap-fit ​​part 203 on both sides of the snap-fit ​​rod 202 also separates from the second snap-fit ​​part 205 in the snap-fit ​​groove 204. The rotating disk 106 loses power drive. Under the reset action of the retraction spring, the snap-fit ​​rod 104 can be reset and re-snap into the next moving slot 103, and the position of the feeding disk 102 can be re-aligned to complete the switching of the material rack rod 101. Through the setting of the snap-fit ​​ring 201 and the snap-fit ​​rod 202, the function of releasing the limit of the feeding disk 102, switching to the next station, and then re-limiting is realized. The structure is simple and the practicality is strong.

[0061] Preferably, both the first snap-fit ​​component 203 and the second snap-fit ​​component 205 have chamfered edges, so that when the second snap-fit ​​ring 201 and the snap-fit ​​rod 202 descend and reset, the first snap-fit ​​component 203 and the second snap-fit ​​component 205 will not interfere with each other. If they come into contact, they will slide along their chamfered edges to avoid each other until the second snap-fit ​​ring 201 and the snap-fit ​​rod 202 are completely reset, thus preparing for the next workstation switch.

[0062] The length of the guide groove 108 is greater than that of the movable card slot 103, and an angle 110 is provided between adjacent movable card slots 103.

[0063] Preferably, in the above embodiment, when the first snap-fit ​​component 203 separates from the second snap-fit ​​component 205, the snap-fit ​​rod 104 will reset. At this time, the second snap-fit ​​ring 201 will drive the first snap-fit ​​ring 2 to rotate, causing the feed tray 102 to switch positions. This greatly increases the likelihood that the next station's moving slot 103 will not be in place before the snap-fit ​​rod 104 resets and snaps into the previous moving slot 103, causing a technical error in the station switching. Therefore, the length of the guide groove 108 is set to be greater than the moving slot 103 (e.g., ...). Figure 3As shown in the diagram, specifically, when the locking rod 202 transmits torque to drive the rotating disk 106 to rotate, it drives the locking rod 104 to move along the guide groove 108. When it moves to the middle position of the guide groove 108, the locking rod 104 can completely disengage from the moving slot 103. At this time, the locking ring 201 and the locking rod 202 continue to rotate and move upward until the locking ring 201 contacts the locking teeth of the locking ring 2. At this time, the locking component 203 is still driving the locking component 205, and the two are not completely disengaged, so the locking rod 104 continues to move along the guide groove 108 and will not reset. At the same time, the locking ring 201 also drives the locking ring 2 and the feeding disk 102 to rotate, thereby completing the workstation switch until the locking ring 204 is fully engaged. Once connector 1 203 and connector 2 205 are completely separated, the locking rod 104 can be reset and locked into the new movable slot 103, thus completing the station switching and positioning functions and improving the stability of the switching operation. In other words, the length of the guide groove 108 is set to be greater than that of the movable slot 103, so that after the locking rod 104 is displaced from the movable slot 103, it can still continue to move, thereby avoiding the locking rod 104 automatically resetting before the next movable slot 103 has moved into place. In addition, an angle 110 is set, and the angle 110 is set towards the rotation direction of the feed tray 102, thereby further increasing the angle at which the locking rod 104 locks into the movable slot 103 when resetting, increasing the fault tolerance rate and avoiding technical errors.

[0064] One end of the guide groove 108 is slidably fitted with a push rod 111, and one end of the push rod 111 is fixedly connected to an arc-shaped wedge 112. A square groove is provided on the inner side of the fixed seat 105, and the arc-shaped wedge 112 is slidably fitted with the square groove. The lower end of the retaining ring 201 is provided with an inclined surface that matches the arc-shaped wedge 112.

[0065] Preferably, when it is necessary to drive the second retaining ring 201 to move upward, an arc-shaped wedge 112 is provided. Specifically, the arc-shaped wedge 112 slides inside the fixed seat 105 and is adapted to the lower end of the second retaining ring 201. When the retaining rod 104 disengages from the moving slot 103, the retaining rod 104 contacts the push rod 111 and pushes it. The push rod 111 can then push the arc-shaped wedge 112 to move. The arc-shaped wedge 112 pushes the second retaining ring 201 upward through the inclined surface, so that the second retaining ring 201 drives the first retaining ring 2 to rotate, completing the work position switch. Until the first retaining part 203 and the second retaining part 205 are completely separated, the retaining rod 104 can be reset. The push rod 111 loses the support of the retaining rod 104, and the second retaining ring 201 and the retaining rod 202 can be lowered and reset. The degree of automation is high, realizing the function of automatically controlling the second retaining ring 201 to rise, and no additional linear drive mechanism is needed to drive the second retaining ring 201, saving costs.

[0066] Preferably, a countersunk hole 301 is provided at the upper end of the second retaining ring 201. A spring element and a reset rod 3 are provided in the countersunk hole 301. The upper end of the reset rod 3 is connected to the bottom of the feeding plate 102, thereby guiding the displacement of the second retaining ring 201 and facilitating the descent and reset of the second retaining ring 201.

[0067] The lower end of the fixed base 105 is fixedly connected to the chassis 113. The chassis 113 is equipped with a motor component 114. The upper end of the motor component 114 drives a drive sleeve 115. The inner side of the drive sleeve 115 is fitted with a connecting rod 116 with clearance. The outer end of the connecting rod 116 is fixedly connected to a pair of straight keys 117. Keyways are opened on both sides of the drive sleeve 115. The straight keys 117 slide along the keyways. The upper end of the connecting rod 116 passes through the rotating disk 106 and is fitted with it with clearance. The upper end of the connecting rod 116 is fixedly connected to the snap-fit ​​rod 202.

[0068] Preferably, when it is necessary to drive the locking rod 202 to rotate without affecting its lifting and lowering, a driving sleeve 115 is provided. The driving sleeve 115 is driven to rotate by the motor component 114, and the torque is transmitted through the keyway and straight key 117 to drive the connecting rod 116 to rotate, which can drive the locking rod 202 to rotate. The connecting rod 116 can rise with the locking rod 202 without affecting the rotation.

[0069] A lifting port is provided through the inner side of the base 8, and a lead screw 503 is installed inside the lifting port;

[0070] The lifting platform includes an L-shaped lifting seat 4 and a moving platform 401. The moving platform 401 is slidably engaged with the L-shaped lifting seat 4. The moving platform 401 is pushed by an electric cylinder 402. An adaptation port is provided through the moving platform 401. A lead screw 503 passes through the L-shaped lifting seat 4 and is threadedly connected to it. The L-shaped lifting seat 4 slides along the lifting port.

[0071] Preferably, the screw 503 is driven to rotate by the motor assembly, and the L-shaped lifting seat 4 is driven to rise and fall along the lifting port to the height position of the liner 6 through the threaded connection. Then, the moving table 401 is driven to move by the electric cylinder 402, thereby locking into the lower side of the liner 6 and lifting it to the detection position.

[0072] The testing machine assembly 5 also includes a push rod 403. A transverse groove 801 is provided on one side of the machine base 8. One end of the push rod 403 extends into the transverse groove 801 and slides therewith. A push platform 404 is provided on one side of the push rod 403. A material dropping ramp is fixedly connected to one end of the push platform 404. The material dropping ramp is connected to the conveyor belt 7.

[0073] Preferably, when unloading is required after the inspection is completed, the L-shaped lifting seat 4 drives the liner 6 to rise, so that it is completely separated from the material rack rod 101, and the moving table 401 is flush with the pushing table 404. Then, the pushing rod 403 is driven by a linear drive mechanism, which includes, but is not limited to, using ball screw drive or cylinder drive, so that the pushing rod 403 is horizontally displaced, pushing the liner 6 into the pushing table 404, and falling onto the conveyor belt 7 along the dropping slope to complete the unloading.

[0074] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection, the internal communication between two components, or the interaction between two components. Those skilled in the art can understand the meaning of the above terms in this application according to the specific circumstances.

[0075] The foregoing has provided a detailed description of the rebound testing equipment and method for rubber bushings of new energy vehicles provided in the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the technical solutions and core ideas of this application. 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. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A rebound testing device for rubber bushings in new energy vehicles, comprising a feeding rack (1), a conveyor belt (7), and a testing machine assembly (5), characterized in that: The feeding rack (1) includes several rack rods (101), on which the liner (6) to be tested is sleeved, and the lower end of the rack rod (101) is fixedly connected to a rotatable feeding tray (102). The inner side of the inspection machine assembly (5) is provided with a lifting platform. The lifting platform drives the liner (6) to rise along the material rack rod (101) to the inspection position, and the inspection machine assembly (5) inspects it. After inspection, the liner (6) falls into the conveyor belt (7). The lower side of the feeding tray (102) is provided with a plurality of movable slots (103), and a locking rod (104) is locked in the movable slots (103). The lower side of the feeding tray (102) is rotatably connected to a fixed seat (105). The upper side of the fixed seat (105) is provided with a guide groove (108). The lower end of the fixed seat (105) is rotatably connected to a rotating disk (106). The rotating disk (106) is provided with a through groove (107). The locking rod (104) passes through the guide groove (108) and the through groove (107) in sequence. A locking drive unit is provided between the feeding disc (102) and the rotating disc (106), and the locking drive unit drives the rotating disc (106) or the feeding disc (102) to rotate respectively. One end of the lever (104) is fixedly connected to a guide rod (109), and a cylindrical groove is provided on the inner side of the fixing seat (105). The guide rod (109) slides with the cylindrical groove, and a retraction spring is provided between the guide rod (109) and the cylindrical groove. The engaging drive unit includes a retaining ring one (2), which is fixed to the lower end of the feeding tray (102). A retractable retaining ring two (201) is provided on the lower side of the retaining ring one (2). The retaining ring two (201) is adapted to the retaining ring one (2) and there is a distance difference. The retaining ring two (201) passes through the fixed seat (105) and is gap-fitted with it. The lower end of the second retaining ring (201) is fixedly connected to a retaining rod (202), and the two ends of the retaining rod (202) are fixedly connected to a retaining component (203). The lower end of the retaining component (203) is provided with a chamfer. The upper end of the rotating disk (106) is provided with a snap-fit ​​groove (204), and a snap-fit ​​part two (205) is fixedly connected to the inner side of the snap-fit ​​groove (204). Similarly, the upper end of the snap-fit ​​part two (205) is provided with a chamfer. The length of the guide groove (108) is greater than that of the movable slot (103), and an oblique angle (110) is provided between adjacent movable slots (103).

2. The springback testing equipment for rubber bushings in new energy vehicles according to claim 1, characterized in that: One end of the guide groove (108) is slidably fitted with a top rod (111), and one end of the top rod (111) is fixedly connected to an arc-shaped wedge (112). A square groove is provided on the inner side of the fixed seat (105), and the arc-shaped wedge (112) is slidably fitted with the square groove. The lower end of the second retaining ring (201) is provided with an inclined surface that matches the arc-shaped wedge (112).

3. The springback testing equipment for rubber bushings in new energy vehicles according to claim 2, characterized in that: The lower end of the fixed base (105) is fixedly connected to the chassis (113). The chassis (113) is equipped with a motor component (114). The upper end of the motor component (114) drives a drive sleeve (115). The inner side of the drive sleeve (115) is fitted with a connecting rod (116) with clearance. The outer end of the connecting rod (116) is fixedly connected to a pair of straight keys (117). The drive sleeve (115) has keyways on both sides. The straight keys (117) slide along the keyways. The upper end of the connecting rod (116) passes through the rotating disk (106) and is fitted with it with clearance. The upper end of the connecting rod (116) is fixedly connected to the snap-fit ​​rod (202).

4. The springback testing equipment for rubber bushings in new energy vehicles according to claim 1, characterized in that: The detection machine assembly (5) includes a detection sensor head (501) and a base (8). A cylinder assembly is provided on the upper side of the detection sensor head (501), and a lifting port is provided through the inner side of the base (8). A lead screw (503) is provided in the lifting port. The lifting platform includes an L-shaped lifting seat (4) and a moving platform (401). The moving platform (401) is slidably engaged with the L-shaped lifting seat (4). The moving platform (401) is driven by an electric cylinder (402). An adaptation opening is provided through the moving platform (401). The lead screw (503) passes through the L-shaped lifting seat (4) and is threadedly connected to it. The L-shaped lifting seat (4) slides along the lifting opening.

5. The rebound testing equipment for rubber bushings in new energy vehicles according to claim 4, characterized in that: The testing machine assembly (5) also includes a push rod (403). A transverse groove (801) is provided on one side of the machine base (8). One end of the push rod (403) extends into the transverse groove (801) and slides in cooperation with it. A push platform (404) is provided on one side of the push rod (403). A material dropping ramp is fixedly connected to one end of the push platform (404). The material dropping ramp is connected to the conveyor belt (7).

6. The detection method of the springback detection equipment for rubber bushings of new energy vehicles according to claim 1, characterized in that... Includes the following steps: S1. The lining kit (6) to be tested is stored and limited by several material rack rods (101) of the feeding rack plate (1), and one of the material rack rods (101) is aligned vertically with the testing machine assembly (5). S2. The liner (6) located at the top of the material rack rod (101) is sequentially inserted into the lifting platform and lifted to the detection position. Then, its rebound performance is tested by the detection machine assembly (5). S3. The inspection machine assembly (5) pushes the inspected liner kit (6) into the conveyor belt (7) for unloading; S4. The rotating disk (106) is first driven to rotate by the locking drive unit. The rotating disk (106) is restricted by the inclined groove (107) and pulls the locking rod (104) to make linear displacement, so that several locking rods (104) are displaced inward, thereby disengaging from the moving slot (103) and releasing the self-positioning of the feeding disk (102). S5. Then, the feeding tray (102) is driven to rotate by the engaging drive unit, so that the next moving slot (103) moves to engage with the lever (104), thereby completing the station switching between the material rack levers (101).

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