Automobile brake spring straightness detection device

Abstract

The utility model discloses an automobile brake spring straightness detection device, and belongs to the field of automobile brake spring detection. An automobile brake spring straightness detection device comprises a workbench, a baffle plate is fixed on the upper side of the workbench, a placing table is fixed at the bottom of the baffle plate, a detection component is fixed on the upper side of the baffle plate, and the detection component comprises a first detection assembly arranged on the upper side of the baffle plate, and a second detection assembly arranged on the upper side of the baffle plate. And a detection assembly II is arranged on the lower side of the detection assembly I. According to the utility model, the state change of the spring under the action of external force in the actual use process can be simulated by further slightly extruding the spring and then controlling the visual detector to reciprocate and observe the straightness change of the spring in an omnibearing manner; the dynamic detection can find some potential straightness problems which are difficult to perceive only by static detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile brake spring detection, especially to a straightness detection device for automobile brake spring. BACKGROUND

[0002] In the field of automobile brake spring straightness detection, the prior art has many limitations, which seriously affect the detection accuracy.

[0003] On the one hand, traditional detection is mostly static detection, only focusing on the appearance of the spring when it is not under stress. It is difficult to detect potential straightness problems such as uniform elastic deformation after stress in actual use, leading to springs that do not meet quality requirements may flow into subsequent production links. There is a significant lack of detection depth, which is difficult to meet the high-quality automobile brake spring production detection needs. On the other hand, most detection methods are limited to observing the spring from a fixed angle, with visual blind spots, which cannot fully understand the actual shape of each part of the spring, resulting in inaccurate detection results and easy to miss the single-angle detection. SUMMARY

[0004] The utility model aims at providing a straightness detection device for automobile brake spring to solve the problems raised in the background.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A straightness detection device for automobile brake spring, comprising: a workbench, the upper side of the workbench is fixed with a baffle, the bottom of the baffle is fixed with a placing table, the upper side of the baffle is fixed with a detection component, the detection component comprises a detection assembly one arranged on the upper side of the baffle, and a detection assembly two is arranged on the lower side of the detection assembly one.

[0007] The detection assembly one comprises a shell fixed on one side of the baffle, a gas cylinder one is fixed on the inner side of the shell, a fixed plate is fixed on the lower side of the gas cylinder one, and a servo motor is fixed on the lower side of the fixed plate.

[0008] The detection assembly two comprises a connecting plate, the output end direction of the servo motor is fixed with a connecting plate through a connecting rod, a gas cylinder two is fixed on the upper side of the connecting plate, a connecting rod is fixed on the lower side of the gas cylinder two, and a visual detector is fixed on the outer side of the connecting rod.

[0009] Preferably, the detection assembly one further comprises a telescopic rod, the inner side of the shell is fixed with a telescopic rod, and the bottom of the telescopic rod is fixed with a fixed plate.

[0010] The detection assembly one comprises a shell, a cylinder one, a telescopic rod, a fixed plate and a servo motor. The shell is used for protecting the internal mechanism, the cylinder one and the telescopic rod jointly provide power for the up-down movement of the fixed plate. The servo motor is responsible for adjusting the position of the detection assembly two. The detection assembly two comprises a connecting plate, a cylinder two, a connecting rod and a visual detector. The connecting plate is connected with the output end of the servo motor through the connecting rod, the cylinder two drives the connecting rod to move up and down, thereby driving the visual detector to detect the spring. The visual detector is provided with at least three groups, which are fixed to the outer side of the connecting rod in a ring array, so as to ensure that the spring is detected from multiple angles, and the detection accuracy is improved.

[0011] Preferably, the visual detector is provided with at least three groups, and the three groups of visual detectors are fixed to the outer side of the connecting rod in a ring array.

[0012] Preferably, the outer side wall of the placing table is attached with a spring body.

[0013] Preferably, a plurality of holes are formed in the connecting plate, and the inner side wall of the hole is attached with the connecting rod.

[0014] Preferably, the connecting plate and the connecting rod are in a sliding attachment relationship.

[0015] Preferably, the detection assembly two is located directly above the placing table.

[0016] Preferably, the lower output end directions of the cylinder one and the cylinder two are fixed with the fixed plate and the connecting rod through the piston rod respectively.

[0017] Compared with the prior art, the automobile brake spring flatness detection device has the following beneficial effects:

[0018] 1. The spring is slightly extruded, and then the visual detector is controlled to move back and forth and observe the flatness change in all directions, which can simulate the state change of the spring when subjected to external force in the actual use process. This dynamic detection can find some potential flatness problems that are difficult to detect by static detection, such as whether the elastic deformation of the spring after being stressed is uniform, which further deepens the accuracy of quality control of the spring, and ensures that the spring that does not meet the quality requirements will not flow into the subsequent production link.

[0019] 2、The utility model discloses a servo motor is started to adjust the angle of visual inspection appearance, so that the detection device can carry out corresponding position and angle adjustment according to different specifications size, different shape's automobile brake spring, can carry out the photographic detection to spring body from multiple directions, avoided the visual blind area problem that can appear only from single angle detection, can all -round capture the appearance shape of spring, more accurately obtains the actual form of each part of spring to provide comprehensive and accurate data basis for subsequent comparison and analysis with standard shape, help more fine judgment spring flatness whether qualified, greatly improved the precision of detection result. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the automobile brake spring flatness detection device of the utility model;

[0022] Figure 2 It is a front elevation structure schematic diagram of the automobile brake spring flatness detection device of the utility model;

[0023] Figure 3 It is a placement table structure schematic diagram of the automobile brake spring flatness detection device of the utility model;

[0024] Figure 4 It is a detection component structure schematic diagram of the automobile brake spring flatness detection device of the utility model;

[0025] Figure 5 It is a detection assembly one structure schematic diagram of the automobile brake spring flatness detection device of the utility model;

[0026] Figure 6 It is a detection assembly two structure schematic diagram of the automobile brake spring flatness detection device of the utility model.

[0027] In the drawing: 1, workbench;2, baffle;3, placement table;4, detection component;41, detection assembly one;411, shell;412, cylinder one;413, telescopic link;414, fixed plate;415, servo motor;42, detection assembly two;421, connecting plate;422, cylinder two;423, connecting rod;424, visual inspection appearance;5, spring body. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Embodiment

[0030] Reference Figures 1-6 A kind of automobile brake spring flatness detection device, including: workbench 1, the upper side of workbench 1 is fixed with baffle 2, the bottom of baffle 2 is fixed with placing table 3, the upper side of baffle 2 is fixed with detection component 4, detection component 4 includes the detection assembly one 41 being arranged in the upper side of baffle 2, and the lower side of detection assembly one 41 is provided with detection assembly two 42;Wherein

[0031] Detection assembly one 41 includes the shell 411 being fixed to one side of baffle 2, the inner side of shell 411 is fixed with cylinder one 412, the lower side of cylinder one 412 is fixed with fixed plate 414, the lower side of fixed plate 414 is fixed with servo motor 415;And

[0032] Detection assembly two 42 includes connecting plate 421, the output end direction of servo motor 415 is fixed with connecting plate 421 by connecting rod, the upper side of connecting plate 421 is fixed with cylinder two 422, the lower side of cylinder two 422 is fixed with connecting rod 423, the outer side of connecting rod 423 is fixed with visual detector 424.

[0033] Detection assembly one 41 further includes telescopic rod 413, the inner side of shell 411 is fixed with telescopic rod 413, the bottom of telescopic rod 413 is fixed with fixed plate 414.

[0034] Detection component 1 41 includes a housing 411, a cylinder 412, a telescopic rod 413, a fixing plate 414, and a servo motor 415. The housing 411 protects the internal mechanism. The cylinder 412 and the telescopic rod 413 together provide the power for the fixing plate 414 to move up and down. The servo motor 415 is responsible for adjusting the position of detection component 2 42. Detection component 2 42 includes a connecting plate 421, a cylinder 422, a connecting rod 423, and a vision inspection device 424. The connecting plate 421 is connected to the output end of the servo motor via a connecting rod. The cylinder 422 drives the connecting rod 423 to move up and down, thereby driving the vision inspection device 424 to inspect the spring. At least three vision inspection devices 424 are provided, arranged in a circular array and fixed to the outside of the connecting rod 423 to ensure that the spring is inspected from multiple angles, improving the accuracy of the inspection.

[0035] At least three sets of visual inspection instruments 424 are provided, and the three sets of visual inspection instruments 424 are fixed in a ring array on the outside of the connecting rod 423.

[0036] The outer wall of the placement platform 3 is fitted with the spring body 5.

[0037] The connecting plate 421 has several holes, and the connecting rod 423 is attached to the inner wall of the holes.

[0038] The connecting plate 421 and the connecting rod 423 are in a sliding contact relationship.

[0039] The detection component 2 42 is located directly above the placement stage 3.

[0040] The lower output ends of cylinder 412 and cylinder 422 are fixed to the fixed plate 414 and the connecting rod 423 respectively via piston rods.

[0041] Working principle: Please refer to Figures 1-6 As shown, this embodiment relates to a vehicle brake spring straightness testing device, used to test the straightness of the spring to ensure its quality. The device mainly consists of a worktable 1, a baffle 2, a placement platform 3, and testing components 4. The worktable 1 serves as the foundation of the entire testing device, supporting and fixing other components. The baffle 2 is fixed to the upper side of the worktable 1, supporting and positioning the testing components 4. The placement platform 3 is fixed to the bottom of the baffle 2, used to place the spring body 5 to be tested. The design of the placement platform 3 ensures that the spring remains in a horizontal position, facilitating testing. The testing components 4 include a first testing component 41 and a second testing component 42. The first testing component 41 provides power and adjusts the position, while the second testing component 42 is responsible for the actual testing work.

[0042] The spring body 5 to be detected is placed on the placing table 3, and the spring is ensured to keep a horizontal position. Then the cylinder one 412 is started, the detection assembly two 42 is lowered to a proper position for detection through the telescopic rod 413 and the fixed plate 414. Meanwhile, when omnibearing detection is needed, the servo motor 415 is started, and after starting work, the position of the vision detector 424 is adjusted through slight rotation of the connecting rod and the connecting plate 421, so that omnibearing detection of the spring body 5 is realized. Meanwhile, the cylinder two 422 is started, the connecting rod 423 is pushed to drive the vision detector 424 to descend to the position of the spring body 5. The vision detector 424 starts work, and the spring is photographed and detected from multiple angles. The vision detector 424 transmits the photographed image to an external computer system for analysis and processing, and the difference between the actual shape of the spring and the standard shape is compared to determine whether the flatness of the spring is qualified.

[0043] Meanwhile, further, the connecting plate 421 of the detection assembly two 42 is lowered to the top of the spring body 5 through the telescopic rod 413 and the fixed plate 414 by starting the cylinder one 412 to contact and slightly extrude, and then the cylinder two 422 is started to push the connecting rod 423 to drive the vision detector 424 to ascend and descend at the position of the spring body 5, and the flatness of the extruded spring body 5 is observed through the vision detector 424. After detection is completed, the cylinder two 422 and the cylinder one 412 drive the vision detector 424 and the detection assembly two 42 to ascend to the initial position respectively, and the next detection is prepared, and the vision detector 424 is prior art, and the utility model will not be described too much, and the drawings will not be displayed too much.

Claims

1. An automotive brake spring flatness detection device comprising: The workbench (1) is characterized in that the upper side of the workbench (1) is fixed with a baffle (2), the bottom of the baffle (2) is fixed with a placing table (3), and the upper side of the baffle (2) is fixed with a detection component (4); The detection component (4) comprises a detection assembly one (41) arranged on the upper side of the baffle (2), and a detection assembly two (42) arranged on the lower side of the detection assembly one (41); The detection assembly one (41) comprises an outer shell (411) fixed on one side of the baffle (2), an air cylinder one (412) fixed on the inner side of the outer shell (411), a fixed plate (414) fixed on the lower side of the air cylinder one (412), and a servo motor (415) fixed on the lower side of the fixed plate (414); The detection assembly two (42) comprises a connecting plate (421), the output end direction of the servo motor (415) is fixed with the connecting plate (421) through a connecting rod, an air cylinder two (422) is fixed on the upper side of the connecting plate (421), a connecting rod (423) is fixed on the lower side of the air cylinder two (422), and a visual detector (424) is fixed on the outer side of the connecting rod (423).

2. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein The detection assembly one (41) further comprises a telescopic rod (413) fixed on the inner side of the outer shell (411), and the bottom of the telescopic rod (413) is fixed with the fixed plate (414).

3. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein The visual detector (424) is arranged in at least three groups, and the three groups of visual detectors (424) are arranged in an annular array on the outer side of the connecting rod (423).

4. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein The outer wall of the placing table (3) is attached with a spring body (5).

5. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein A plurality of holes are formed in the connecting plate (421), and the inner wall of the hole is attached with the connecting rod (423).

6. The device for detecting flatness of a brake spring of an automobile according to claim 5, wherein The connecting plate (421) and the connecting rod (423) are in a sliding relationship.

7. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein The detection assembly two (42) is located directly above the placing table (3).

8. The device for detecting flatness of a brake spring of an automobile according to claim 1, wherein The lower output end direction of the air cylinder one (412) and the air cylinder two (422) is respectively fixed with the fixed plate (414) and the connecting rod (423) through a piston rod.

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