A test system for a cushion block rubber sleeve for a new energy vehicle and a working method thereof

Abstract

This invention relates to the technical field of new energy vehicles, and more particularly to a testing system and its working method for a buffer block rubber sleeve for new energy vehicles. The system includes a fatigue testing machine and a screening machine. The screening machine includes a screening frame with several screening rods at its bottom and a screening plate corresponding to the upper end of each screening rod. A feeding plate is positioned between adjacent screening rods. Several discharge holes are opened at one end of the screening frame, and a material carrier is positioned at the outer end of each discharge hole. A slidable limiting frame is positioned on the upper side of the screening frame, with its sliding direction parallel to the screening rods. A feeding port is opened on the upper side of the limiting frame. The fatigue testing machine includes a rotatable support base with a support rod at one end. The feeding plate pushes the buffer block into the material carrier and onto the support rod. This invention conveniently and efficiently achieves an automatic feeding function.

Description

Technical Field

[0001] This invention relates to the technical field of new energy vehicles, and in particular to a testing system and its working method for a buffer block rubber sleeve for new energy vehicles. Background Technology

[0002] Shock absorber blocks are crucial components in the suspension systems of new energy vehicles. During operation, the shock absorber piston rod requires a shock absorber block to protect the shock absorber and prevent the piston from contacting the bottom of the shock absorber cylinder. Their primary function is to absorb impact loads and reduce vibration. Typically, because vehicles bounce at high speeds and experience significant impact forces during movement, they need to withstand high-frequency cyclic loads. Therefore, shock absorber blocks must possess excellent resistance to impact deformation and appropriate stiffness. Consequently, fatigue durability testing is required during the production of automotive shock absorber blocks.

[0003] A suspension buffer block detection fixture is disclosed in existing patent publication number CN209858198U, including a machine base with a turntable, a selection plate, and a pressure arm. A baffle is provided around the turntable, and several evenly distributed receiving grooves are provided on its outer circular surface. The receiving grooves and the baffle form a receiving cavity for accommodating the buffer block. The baffle has an inlet connected to a channel. An outlet is provided eccentrically on the selection plate, and an outlet is provided on the machine base. The end of the pressure arm is provided with a pressure head that can detect the pressure magnitude. When the selection plate is in the first position, the buffer block in the receiving cavity can pass over the selection plate. When the selection plate is in the second position, the buffer block in the receiving cavity can fall from the outlet. The outlet is located at the end of the buffer block's movement path. The inlet, pressure head, selection plate, and outlet are arranged sequentially in the circumferential direction along the rotation direction of the turntable.

[0004] In the above technical solution, the buffer blocks are moved and fed by the receiving groove on the turntable, and then pressed down by the pressure head for testing. However, in the actual application of new energy vehicles, most of the buffer blocks are columnar continuous corrugated type and have their own friction. If vertical arrangement is used for transportation, it is difficult to ensure the stability of the feeding. Moreover, it is only suitable for testing neatly arranged buffer blocks. For most companies, the buffer blocks after the previous production process are placed randomly on the conveyor belt, and some are placed in the storage basket. If only ordinary clamping robots are equipped, it is not possible to accurately sort the messy buffer blocks and place them in an orderly manner at the testing station. Therefore, it is necessary to sort them manually and feed them manually for testing, which is time-consuming, labor-intensive and inefficient.

[0005] Therefore, there is an urgent need for a testing system and its working method for a buffer block rubber sleeve for new energy vehicles that can achieve automatic screening and feeding. Summary of the Invention

[0006] The purpose of this invention is to provide a testing system and its working method for a buffer block rubber sleeve for new energy vehicles, so as to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a testing system and its working method for a buffer block rubber sleeve for new energy vehicles, comprising a fatigue testing machine and a screening machine.

[0008] The screening machine includes a screening frame, a plurality of screening rods are provided at the bottom of the screening frame, a screening plate is provided at the upper end of the screening rods, a feeding plate is provided between adjacent screening rods, a plurality of discharge holes are provided at one end of the screening frame, and a material carrier is provided at the outer end of the discharge holes.

[0009] The upper side of the screening frame is provided with a sliding limit frame and the sliding direction is parallel to the screening rod. The upper side of the limit frame is provided with a feed port.

[0010] The fatigue testing machine includes a rotatable support base, and a support rod is provided at one end of the support base;

[0011] The feeding plate pushes the buffer block into the material carrier and fits it onto the support rod.

[0012] In one embodiment, the upper end of the screening plate is provided with a chamfer;

[0013] A screening channel is formed between adjacent screening plates, the screening channel being adapted to the diameter of the buffer block, and the diameter of the screening rod being greater than the thickness of the screening plate.

[0014] In one embodiment, a pair of side plates are fixedly connected to the upper end of the screening frame, and a pair of guide rods are fixedly connected between the side plates. The guide rods pass through the limiting frame and slide with it. The limiting frame is driven to move by a linear drive mechanism.

[0015] In one embodiment, a material dropping slide is provided on the upper side of the limiting frame and the two slide together. A conveyor belt is connected to one end of the material dropping slide, and a transmission roller is provided at both ends of the conveyor belt. A fixed plate is rotatably connected to both ends of the transmission roller. The fixed plate is fixedly connected to the material dropping slide. The conveyor belt transports the buffer block to be tested to the material dropping slide, and the buffer block falls into the feed port along the material dropping slide.

[0016] In one embodiment, a central rod is provided between adjacent screening rods, the central rod passing through and slidingly engaging with the feeding plate, and the feeding plates are respectively pushed by a number of cylinders.

[0017] In one embodiment, the fatigue testing machine further includes a base, which is rotatably connected to a support base. The support base is driven to rotate by a motor assembly. A test bracket is fixedly connected to the upper end of the base. A test block is slidably fitted on the inner side of the test bracket. A hydraulic cylinder is provided at the upper end of the test block for driving. The test block has several guide holes that are adapted to the support rod.

[0018] In one embodiment, the linear drive mechanism includes a pair of toothed conditions, the toothed conditions passing through and slidingly engaging with a side plate, the toothed conditions being fixedly connected to a limiting frame, a connecting rod being fixedly connected between the pair of toothed conditions, a pair of guide rods being fixedly connected to the outer side of the side plate, a baffle being fixedly connected to one end of the guide rod, the guide rod passing through and slidingly engaging with the connecting rod, a gear being meshed with the upper end of the toothed conditions, a drive shaft passing through and fixedly connected between the gears, and both ends of the drive shaft being rotatably connected to a fixed plate.

[0019] In one embodiment, a synchronous pulley is fixedly connected to one end of the transmission roller near the screening machine. A synchronous pulley is connected to the lower side of the synchronous pulley. The transmission shaft passes through the synchronous pulley and is rotatably connected to it. A ratchet is fixedly connected to one end of the transmission shaft. The ratchet is rotatably connected to the synchronous pulley. A ratchet tooth is rotatably connected to one side of the synchronous pulley, and a torsion spring is provided at the rotating part. The ratchet tooth is adapted to the ratchet. A spring is sleeved on the outer side of the guide rod.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: In the present invention, the screening channel screens the falling buffer blocks into a single row, with the buffer blocks falling between a pair of screening rods at the bottom, thereby maintaining a horizontal state and further reducing the contact area with the buffer blocks, thus reducing the friction force when the buffer blocks move subsequently; then, several feeding plates push the buffer blocks in the screening channel along the screening rods and push them out of the discharge hole, and several buffer blocks move to the material carrier. At the same time, the support rod is in a horizontal state and located on the upper side of the material carrier, so that several buffer blocks are directly sleeved on the support rod; then, the support seat drives several support rods and several buffer blocks to rotate upward to a vertical state, thereby aligning with the fatigue testing machine. The fatigue testing machine can then be used to simultaneously perform fatigue testing on several buffer blocks, and multiple buffer blocks can be screened and sorted for fatigue testing at one time, improving work efficiency. Attached Figure Description

[0021] 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.

[0022] In the attached diagram:

[0023] Figure 1This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a front sectional view of the present invention;

[0025] Figure 3 This is a three-dimensional schematic diagram of the screening machine of the present invention;

[0026] Figure 4 This is a three-dimensional schematic diagram of the inside of the screening frame of the present invention;

[0027] Figure 5 This is a side sectional view of the screening machine of the present invention;

[0028] Figure 6 This is a partial three-dimensional cross-sectional view of the present invention;

[0029] Figure 7 yes Figure 6 A magnified view of a portion of region A;

[0030] In the diagram: 1. Screening machine; 101. Screening frame; 102. Screening rod; 103. Screening plate; 104. Feeding plate; 105. Discharge hole; 106. Material carrier; 107. Limiting frame; 108. Feed inlet; 109. Side plate; 110. Guide rod; 111. Center rod; 112. Cylinder;

[0031] 2. Unloading slide; 201. Gear condition; 202. Guide rod; 203. Baffle; 204. Gear; 205. Drive shaft;

[0032] 3. Synchronous pulley one; 301. Synchronous pulley two; 302. Ratchet; 303. Ratchet wheel; 304. Spring component;

[0033] 4. Fatigue testing machine; 401. Support base; 402. Support rod; 403. Base; 404. Test stand; 405. Test block; 406. Guide hole;

[0034] 5. Conveyor belt; 501. Transfer roller; 502. Fixing plate;

[0035] 6. Buffer block;

[0036] 7. Limit plate. Detailed Implementation

[0037] 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.

[0038] Please see Figure 1-7 This invention provides a technical solution: a testing system and its working method for a buffer block rubber sleeve used in new energy vehicles, comprising a fatigue testing machine 4 and a screening machine 1.

[0039] The screening machine 1 includes a screening frame 101, a plurality of screening rods 102 are provided at the bottom of the screening frame 101, a screening plate 103 is provided at the upper end of the screening rods 102, a feeding plate 104 is provided between adjacent screening rods 102, a plurality of discharge holes 105 are provided at one end of the screening frame 101, and a material carrier 106 is provided at the outer end of the discharge holes 105.

[0040] A sliding limit frame 107 is provided on the upper side of the screening frame 101 and the sliding direction is parallel to the screening rod 102. A feed inlet 108 is provided on the upper side of the limit frame 107.

[0041] The fatigue testing machine 4 includes a rotatable support base 401, and a support rod 402 is provided at one end of the support base 401;

[0042] The feeding plate 104 pushes the buffer block 6 into the material carrier 106 and attaches it to the support rod 402.

[0043] The upper end of the screening plate 103 is provided with a chamfer;

[0044] A screening channel is formed between adjacent screening plates 103. The screening channel is adapted to the diameter of the buffer block 6. The diameter of the screening rod 102 is greater than the thickness of the screening plate 103.

[0045] When several buffer blocks 6 to be tested fall into the screening frame 101 through the feed inlet 108, some of the buffer blocks 6 fall directly into the screening channel formed between adjacent screening plates 103. The screening channel is adapted to the diameter of the buffer blocks 6, so that the screening channel screens the falling buffer blocks 6 into a single row. The buffer blocks 6 fall between a pair of screening rods 102 at the bottom, thus maintaining a horizontal state and further reducing the contact area with the buffer blocks 6, reducing the friction when the buffer blocks 6 move subsequently. Then, several feeding plates 104 push the buffer blocks 6 in the screening channel along the screening rods 102. Pushing out the discharge hole 105, several buffer blocks 6 move onto the material carrier 106. At the same time, the support rod 402 is in a horizontal state and located on the upper side of the material carrier 106, so that several buffer blocks 6 are directly sleeved on the support rod 402. Then, the support seat 401 drives several support rods 402 and several buffer blocks 6 to rotate upward to a vertical state, thereby aligning with the fatigue testing machine 4. The fatigue testing machine 4 can then conduct fatigue tests on several buffer blocks 6 simultaneously. After the test is completed, they can be removed manually. Multiple buffer blocks 6 can be screened and sorted out at one time for fatigue testing, improving work efficiency.

[0046] Some buffer blocks 6 may get stuck on the screening plate 103 and cannot fall smoothly into the screening channel. In this case, the limiting frame 107 slides back and forth along the screening frame 101, causing the stuck buffer blocks 6 to continuously move relative to each other and shake continuously within the limiting frame 107 until the buffer blocks 6 find their correct position and fall into the screening channel. This completes the sorting, screening and feeding work without the need for manual sorting, and the degree of automation is high.

[0047] Preferably, the upper end of the screening plate 103 is provided with a chamfer, thereby increasing the range in which the buffer block 6 falls into the screening channel and further reducing the chance of getting stuck.

[0048] Preferably, to prevent the buffer block 6 from being vertically stuck in the screening channel or multiple buffer blocks 6 from being horizontally stacked in the screening channel when it falls, a limiting plate 7 is provided. Specifically, the limiting plate 7 is located at the lower ends of both sides of the limiting frame 107 and is located in the screening channel, thereby continuously pushing the non-horizontal or multiple horizontally stacked buffer blocks 6 in the screening channel until they fall onto the screening rod 102, thus completing the screening work and improving the efficiency of sorting and screening.

[0049] A pair of side plates 109 are fixedly connected to the upper end of the screening frame 101. A pair of guide rods 110 are fixedly connected between the side plates 109. The guide rods 110 pass through the limiting frame 107 and slide with it. The limiting frame 107 is driven to move by a linear drive mechanism.

[0050] Preferably, the linear drive mechanism includes, but is not limited to, using a motor lead screw drive or a cylinder drive to drive the limit frame 107 to reciprocate along the guide rod 110.

[0051] The upper side of the limiting frame 107 is provided with a material dropping slide 2 and the two slide together. One end of the material dropping slide 2 is connected to a conveyor belt 5. Both ends of the conveyor belt 5 are provided with transmission rollers 501. Both ends of the transmission rollers 501 are rotatably connected to a fixing plate 502. The fixing plate 502 is fixedly connected to the material dropping slide 2. The conveyor belt 5 transports the buffer block 6 to be tested to the material dropping slide 2. The buffer block 6 falls into the feed inlet 108 along the material dropping slide 2.

[0052] Preferably, a conveyor belt 5 is provided for automatic transport of the buffer blocks 6. Specifically, when loading is required, the limiting frame 107 contacts one side plate 109 (e.g., Figure 2 As shown in the figure, the transmission roller 501 rotates, driving the conveyor belt 5 to move, thereby transporting the buffer block 6 to the unloading slide 2. The buffer block 6 falls into the feed inlet 108 along the unloading slide 2, thus completing the feeding of a batch of buffer blocks 6. Then the conveyor belt 5 stops transporting, and the limit frame 107 reciprocates to perform screening and sorting work without manual intervention, thus freeing up labor.

[0053] A central rod 111 is provided between adjacent screening rods 102. The central rod 111 passes through the feeding plate 104 and slides with it. Several feeding plates 104 are pushed by several cylinders 112 respectively.

[0054] Preferably, the feeding plate 104 is pushed by the cylinder 112 and guided by the central rod 111, so that the feeding plate 104 pushes the screened and sorted buffer block 6 to feed it.

[0055] The fatigue testing machine 4 also includes a base 403, which is rotatably connected to a support 401. The support 401 is driven to rotate by a motor assembly. A test bracket 404 is fixedly connected to the upper end of the base 403. A test block 405 is slidably fitted on the inner side of the test bracket 404. A hydraulic cylinder is provided at the upper end of the test block 405 for driving. Several guide holes 406 are opened through the test block 405, and the guide holes 406 are adapted to the support rod 402.

[0056] Preferably, when a fatigue test is required, the test block 405 is driven by a hydraulic cylinder to reciprocate. The guide hole 406 and the support rod 402 slide against each other to guide the test block 405 to continuously apply test pressure to the buffer block 6 within a certain test time. Finally, the test block 405 is manually removed and its surface is inspected. If cracks appear on its surface, it means that the fatigue test of the buffer block 6 is unqualified; otherwise, it is qualified.

[0057] The linear drive mechanism includes a pair of gears 201, which pass through and slide in a side plate 109. The gears 201 are fixedly connected to the limiting frame 107. A connecting rod is fixedly connected between the pair of gears 201. A pair of guide rods 202 are fixedly connected to the outside of the side plate 109. A baffle 203 is fixedly connected to one end of the guide rod 202. The guide rod 202 passes through the connecting rod and slides in a sliding manner. A gear 204 is meshed with the upper end of the gears 201. A drive shaft 205 passes through and is fixedly connected between the gears 204. Both ends of the drive shaft 205 are rotatably connected to the fixed plate 502.

[0058] Preferably, when it is necessary to drive the limiting frame 107 to reciprocate, the transmission shaft 205 rotates, driving a pair of gears 204 to rotate, driving the gear condition 201 to move, and the guide rod 202 guides, so that the limiting frame 107 reciprocates.

[0059] One end of the transmission roller 501 near the screening machine 1 is fixedly connected to a synchronous pulley 3. The lower side of the synchronous pulley 3 is connected to a synchronous pulley 301. The drive shaft 205 passes through the synchronous pulley 301 and is rotatably connected to it. One end of the drive shaft 205 is fixedly connected to a ratchet 303. The ratchet 303 is rotatably connected to the synchronous pulley 301. One side of the synchronous pulley 301 is rotatably connected to a ratchet 302 and a torsion spring is provided at the rotation point. The ratchet 302 is adapted to the ratchet 303. A spring 304 is sleeved on the outside of the guide rod 110.

[0060] Preferably, since the position of the unloading slide 2 is fixed, while the positions of the feed inlet 108 and the limiting frame 107 may change, a synchronous belt mechanism and a ratchet mechanism are provided to ensure the accuracy of feeding and the stability of process connection, improve the integration of equipment operation, and prevent the buffer block 6 from slipping out of the feed inlet 108. Specifically, a motor assembly is provided to drive the transmission roller 501, and the transmission roller 501 rotates (rotation direction as follows) Figure 2(As shown) The drive conveyor belt 5 transports and feeds the buffer block 6. At this time, under the action of the spring 304, the limiting frame 107 contacts the other side plate 109, thereby ensuring that the position of the feed inlet 108 is aligned with the dropping slide 2, so that the buffer block 6 can fall stably into the feed inlet 108. At the same time, the rotation of the transmission roller 501 also drives the synchronous pulley 3 to rotate, which in turn drives the synchronous pulley 301 to rotate through the belt connection. One side of the synchronous pulley 301 is provided with a ratchet 302. The ratchet 302 follows the synchronous pulley 301 in a circular motion, thereby moving along the outer inclined surface of the ratchet 303. That is, the ratchet 302 is displaced relative to the ratchet 303, and will not drive the ratchet 303, the drive shaft 205 and the gear 204 to rotate synchronously, thereby ensuring that the position of the limiting frame 107 and the feed inlet 108 does not change. For precise and stable feeding, once feeding is complete, the motor assembly drives the transmission roller 501 to reverse, causing the conveyor belt 5 to stop transporting the buffer block 6 to the feed inlet 108 in time. At the same time, it also drives the synchronous pulley 301 to reverse, thereby driving the ratchet 302 to move in the opposite direction. The ratchet 302 locks the ratchet 303, while driving the ratchet 303 to reverse synchronously, thereby driving the gear 204 to rotate. This drives the limit frame 107 to move linearly, and with the spring 304 resetting, it achieves reciprocating linear motion for sorting and screening. In other words, by rotating the transmission roller 501, the conveyor belt 5 and the limit frame 107 can operate alternately, achieving a stable connection between the transportation and screening processes. There is no need to set up additional programming programs or control systems to control the two drive sources separately during operation. The design is simple and highly practical.

[0061] 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.

[0062] The above provides a detailed description of a testing system and its working method for a buffer block rubber sleeve for new energy vehicles, as 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 testing system for buffer block rubber sleeves for new energy vehicles, comprising a fatigue testing machine (4) and a sieving machine (1), characterized in that: The screening machine (1) includes a screening frame (101), a plurality of screening rods (102) are provided at the bottom of the screening frame (101), and a screening plate (103) is provided at the upper end of the screening rod (102). A screening channel is formed between adjacent screening plates (103). The screening channel is adapted to the diameter of the buffer block (6) and is used to screen the buffer block (6) into a single row. A feeding plate (104) is provided between adjacent screening rods (102), and a plurality of discharge holes (105) are provided at one end of the screening frame (101), and a material carrier (106) is provided at the outer end of the discharge hole (105). The upper side of the screening frame (101) is provided with a sliding limit frame (107) and the sliding direction is parallel to the screening rod (102). The upper side of the limit frame (107) is provided with a feed port (108) for reciprocating shaking of the buffer block stuck on the screening plate (103) so that it falls into the screening channel. The fatigue testing machine (4) includes a rotatable support base (401), and a support rod (402) is provided at one end of the support base (401). The feeding plate (104) pushes the buffer block (6) into the material carrier (106) and fits it onto the support rod (402); The support base (401) can drive several support rods (402) and several buffer blocks (6) to rotate from a horizontal state to a vertical state so as to align with the fatigue testing machine (4) for fatigue testing. 2.The test system of the rubber sleeve of the cushion block for a new energy vehicle according to claim 1, characterized in that: The upper end of the screening plate (103) is provided with a chamfer; A screening channel is formed between adjacent screening plates (103), the screening channel is adapted to the diameter of the buffer block (6), and the diameter of the screening rod (102) is greater than the thickness of the screening plate (103). 3.The test system of the rubber sleeve of the cushion block for a new energy vehicle according to claim 2, characterized in that: A pair of side plates (109) are fixedly connected to the upper end of the screening frame (101), and a pair of guide rods (110) are fixedly connected between the side plates (109). The guide rods (110) pass through the limiting frame (107) and slide with it. The limiting frame (107) is driven to move by a linear drive mechanism.

4. The testing system for a buffer block rubber sleeve for new energy vehicles according to claim 3, characterized in that: The upper side of the limiting frame (107) is provided with a material dropping slide (2) and the two slide together. One end of the material dropping slide (2) is connected to a conveyor belt (5). Both ends of the conveyor belt (5) are provided with transmission rollers (501). Both ends of the transmission rollers (501) are rotatably connected to a fixing plate (502). The fixing plate (502) is fixedly connected to the material dropping slide (2). The conveyor belt (5) transports the buffer block (6) to be tested to the material dropping slide (2). The buffer block (6) falls into the feed inlet (108) along the material dropping slide (2).

5. The testing system for a buffer block rubber sleeve for new energy vehicles according to claim 1, characterized in that: A central rod (111) is provided between adjacent screening rods (102). The central rod (111) passes through the feeding plate (104) and slides with it. Several feeding plates (104) are pushed by several cylinders (112).

6. The testing system for a buffer block rubber sleeve for new energy vehicles according to claim 1, characterized in that: The fatigue testing machine (4) also includes a base (403), which is rotatably connected to a support (401). The support (401) is driven to rotate by a motor assembly to drive the support rod (402) and the sleeved buffer block to rotate from a horizontal state to a vertical state. The upper end of the base (403) is fixedly connected to a test bracket (404), and a test block (405) is slidably fitted on the inner side of the test bracket (404). A hydraulic cylinder is provided at the upper end of the test block (405) for driving. The test block (405) has several guide holes (406) through it, and the guide holes (406) are adapted to the support rod (402).

7. The testing system for a buffer block rubber sleeve for new energy vehicles according to claim 4, characterized in that: The linear drive mechanism includes a pair of toothed conditions (201), which pass through and slide with one side plate (109). The toothed conditions (201) are fixedly connected to the limiting frame (107). A connecting rod is fixedly connected between the pair of toothed conditions (201). A pair of guide rods (202) are fixedly connected to the outside of the side plate (109). A baffle (203) is fixedly connected to one end of the guide rod (202). The guide rod (202) passes through the connecting rod and slides with it. A gear (204) is meshed with the upper end of the toothed conditions (201). A drive shaft (205) passes through and is fixedly connected between the gears (204). Both ends of the drive shaft (205) are rotatably connected to the fixed plate (502).

8. The testing system for a buffer block rubber sleeve for new energy vehicles according to claim 7, characterized in that: One end of the transmission roller (501) near the screening machine (1) is fixedly connected to a synchronous pulley (3). The lower side of the synchronous pulley (3) is connected to a synchronous pulley (301). The transmission shaft (205) passes through the synchronous pulley (301) and is rotatably connected to it. One end of the transmission shaft (205) is fixedly connected to a ratchet (303). The ratchet (303) is rotatably connected to the synchronous pulley (301). One side of the synchronous pulley (301) is rotatably connected to a ratchet tooth (302) and a torsion spring is provided at the rotation point. The ratchet tooth (302) is adapted to the ratchet tooth (303). A spring (304) is sleeved on the outside of the guide rod (110).

9. The working method of the testing system for a buffer block rubber sleeve for new energy vehicles according to claim 2, characterized in that... Includes the following steps: S1. Several buffer blocks (6) to be tested fall into the screening frame (101) through the feed inlet (108). Some of the buffer blocks (6) fall directly into the screening channel formed between the adjacent screening plates (103) and are supported by the screening rod (102). S2. The buffer blocks (6) in the screening channel are pushed out of the discharge hole (105) by several feeding plates (104). The buffer blocks (6) are moved to the material carrier (106) and sleeved on the support rod (402). S3. The support base (401) drives several support rods (402) and several buffer blocks (6) to rotate upwards until they are aligned with the fatigue testing machine (4). The fatigue testing machine (4) then performs fatigue tests on the several buffer blocks (6) simultaneously. S4. The other part of the buffer block (6) stuck on the screening plate (103) slides back and forth along the screening frame (101) through the limiting frame (107), causing the buffer block (6) to move relative to the limiting frame (107) and shake until the buffer block (6) falls into the screening channel, thus repeating steps S2 to S3 to complete the test.

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