Abrasion resistance testing device of plastic shell for automobile
By designing a wear resistance testing device that includes components such as a reciprocating square rod, a moving rod, a drive disk, and a servo motor, the problems of insufficient applicability and testing accuracy of existing devices are solved, and efficient wear resistance testing of different automotive plastic shells is achieved.
Patent Information
- Application Number
- CN202520224344.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing abrasion resistance testing devices for automotive plastic housings have limited applicability and are not accurate enough for abrasion resistance testing data of plastic housings for different vehicles.
A wear resistance testing device was designed, comprising a reciprocating square rod, a moving rod, a drive disk, a servo motor, upper and lower electric push rods, a pressure detection sensor, a fixed disk, a rotating disk, and a friction ball. The friction ball performs friction operation on the plastic shell of an automobile, and combined with a limiting mechanism, it ensures that different car shells are tested for wear resistance under the same pressure.
This improves the applicability and accuracy of abrasion resistance testing, enabling more accurate evaluation of the abrasion resistance of different automotive plastic housings.
Smart Images
Figure CN223784108U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of wear testing device of automobile plastic shell, belong to the wear testing device technical field of automobile plastic shell. BACKGROUND
[0002] Automobile plastic shell generally refers to the plastic covering of the outside of the vehicle, such as bumper shell, fender, deflector, air intake grille and car lamp shade, etc. These plastic shells not only have the effect of beautifying the appearance of the vehicle, but more importantly, they can provide certain buffering and protection when the vehicle is involved in a collision, reducing the harm to the driver and passengers and pedestrians. The wear detection of automobile plastic shell is an important link for evaluating its quality and durability, which helps to ensure that the plastic shell can maintain good appearance and function during vehicle driving.
[0003] The existing technology has the following problems:
[0004] The existing wear testing device of automobile plastic shell, in the actual application process, generally only wear detection is carried out by one friction structure, the applicability is general, and the data of wear detection of plastic shell of different automobiles is not accurate enough, which is not conducive to popularization and use. UTILITY MODEL CONTENT
[0005] To solve the problems raised in the background art, the utility model provides a wear testing device of automobile plastic shell.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a wear testing device of automobile plastic shell, comprising a base, the top surface of the base is fixedly connected with a fixed plate, the side surface of the fixed plate is fixedly connected with a clamping electric push rod, the telescopic end of the clamping electric push rod is fixedly connected with a clamping plate, the top surface of the base is fixedly connected with a top plate through a supporting rod, the top surface of the top plate is provided with an open slot, the inner surface of the open slot is clamped and slidably connected with a reciprocating square rod, the reciprocating square rod is provided with a moving rod above, the reciprocating square rod is provided with a driving disc behind, the driving disc is provided with a servo motor below, the bottom surface of the reciprocating square rod is fixedly connected with an up-down electric push rod, the telescopic end of the up-down electric push rod is fixedly connected with a pressure detection sensor, the bottom end of the pressure detection sensor is fixedly connected with a fixed disc, the side surface of the fixed disc is movably connected with a rotating disc through a bearing, the outer surface of the rotating disc is fixedly connected with an extension rod, the one end of the extension rod is fixedly connected with a friction ball, the side of the rotating disc is provided with a limiting mechanism.
[0007] Preferably, the number of clamping plates is two, and the bottom surfaces of the two clamping plates are slidably connected to the base, and the opposite side surfaces of the two clamping plates are coated with a non-slip soft layer.
[0008] Preferably, the sliding blocks are fixedly connected to the surfaces of the two sides of the reciprocating square rod, and the sliding grooves are formed in the inner surfaces of the open grooves and match the structures of the sliding blocks in size.
[0009] Preferably, the bottom end of the driving disc is fixedly connected to the output end of the servo motor, and the top surfaces of the driving disc and the reciprocating square rod are movably connected to the moving rod through bearings.
[0010] Preferably, the limiting mechanism comprises a limiting box fixedly connected to one side surface of the rotating disc, a moving plate slidingly connected to the inner cavity of the limiting box, a limiting spring fixedly connected to the side surface of the rotating disc away from the moving plate, and a limiting column fixedly connected to the one end of the rotating disc away from the moving plate.
[0011] Preferably, the limiting column is movably connected to the limiting box at both ends, and the limiting hole is formed in the side surface of the fixed disc close to the rotating disc and matches the structure of the limiting column in size.
[0012] Preferably, the control box is arranged above the base, the display screen is clamped and fixedly connected to the front surface of the control box, and the controller is arranged in the inner cavity of the control box.
[0013] The utility model discloses a kind of automobile plastic shell wear resistance test devices, including base, reciprocating square rod, moving rod, driving disc, servo motor, upper and lower electric push rod, pressure detection sensor, fixed disc, rotating disc, friction ball and limiting mechanism.
[0014] The utility model discloses a kind of automobile plastic shell wear resistance test devices, including base, reciprocating square rod, moving rod, driving disc, servo motor, upper and lower electric push rod, pressure detection sensor, fixed disc, rotating disc, friction ball and limiting mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation on the present application.
[0016] Figure 1 It is the overall structural schematic view of the utility model;
[0017] Figure 2 It is the overall structural schematic view of the utility model reciprocating square rod detail;
[0018] Figure 3 It is the structural schematic view of the utility model fixed disc and rotating disc split;
[0019] Figure 4 It is the structural schematic view of the utility model limiting mechanism detail;
[0020] In the figure: 1, base; 2, fixed plate; 3, clamping electric push rod; 4, clamping plate; 5, top plate; 6, open slot; 7, reciprocating square rod; 8, moving rod; 9, driving disc; 10, servo motor; 11, up and down electric push rod; 12, pressure detection sensor; 13, fixed disc; 14, rotating disc; 15, extension rod; 16, friction ball; 17, limiting mechanism; 171, limiting box; 172, moving plate; 173, limiting spring; 174, limiting column; 18, sliding block; 19, limiting hole; 20, control box. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment 1
[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme: a kind of abrasion testing device of plastic shell for automobile, including base 1, the top surface of base 1 is fixedly connected with fixed plate 2, one side surface of fixed plate 2 is fixedly connected with clamping electric push rod 3, clamping electric push rod 3 telescopic end is fixedly connected with clamping plate 4, the top surface of base 1 is fixedly connected with top plate 5 by support rod, open slot 6 is set on the top surface of top plate 5, reciprocating square rod 7 is slidably connected with the inboard surface of open slot 6 by clamping, moving rod 8 is equipped above reciprocating square rod 7, driving disc 9 is equipped at the rear side of reciprocating square rod 7, servo motor 10 is equipped below driving disc 9, servo motor 10 bottom surface is fixedly connected to top plate 5, reciprocating square rod 7 bottom surface is fixedly connected with up and down electric push rod 11, up and down electric push rod 11 telescopic end is fixedly connected with pressure detection sensor 12, pressure detection sensor 12 bottom end is fixedly connected with fixed disc 13, one side surface of fixed disc 13 is movably connected with rotating disc 14 by bearing, extension rod 15 is fixedly connected with the outboard surface of rotating disc 14, friction ball 16 is fixedly connected with one end of extension rod 15, the number of friction ball 16 is four, the roughness of the outboard surface of four friction ball 16 is different, limiting mechanism 17 is equipped at one side of rotating disc 14.
[0024] When using, first, base 1 is placed in suitable position, then the automobile plastic shell needing to carry out abrasion test is placed on the top surface of base 1, then the extension of clamping electric push rod 3 is controlled, the movement of clamping plate 4 is driven, the automobile plastic shell is clamped, the falling of up and down electric push rod 11 is controlled, friction ball 16 is slidably connected with automobile plastic shell.
[0025] As a kind of automobile plastic shell wear testing device preferred technical scheme of the utility model, the number of clamping plate 4 is two, two clamping plate 4 bottom surface are pasted and are connected in sliding mode to base 1, two clamping plate 4 opposite side surface is coated with antiskid soft layer;Antiskid soft layer is rubber material, clamping electric push rod 3 telescopic, drive the movement of clamping plate 4.
[0026] As a kind of automobile plastic shell wear testing device preferred technical scheme of the utility model, reciprocating square bar 7 both side surface is fixedly connected with sliding block 18, and the sliding groove that is matched with the structural size of sliding block 18 is formed in the inner side surface of open slot 6;Sliding block 18 vertical section is T-shaped structure, and reciprocating square bar 7 is slid on the inner side surface of open slot 6 by sliding block 18.
[0027] As a kind of automobile plastic shell wear testing device preferred technical scheme of the utility model, drive disc 9 bottom end is fixedly connected in servo motor 10 output end, and the top surface of drive disc 9 and the top surface of reciprocating square bar 7 are both movably connected to movement rod 8 by bearing;Servo motor 10 drives the rotation of drive disc 9, so as to drive the movement of reciprocating square bar 7 by movement rod 8.
[0028] As a kind of automobile plastic shell wear testing device preferred technical scheme of the utility model, base 1 upper portion is equipped with control box 20, and display screen is clamped and embedded and fixedly connected on the front side surface of control box 20;The inner chamber of control box 20 is equipped with controller;The controller is PLC controller or single-chip microcomputer, and the electrical elements mentioned in the application, such as clamping electric push rod 3, servo motor 10, up and down electric push rod 11 and pressure detection sensor 12, are all electrically connected to the controller by wire, and the corresponding electrical elements are started and stopped by the controller, which is a common technical means, and the pressure information sensed by pressure detection sensor 12 is transmitted to the controller by wire, and after processing and analysis, the controller controls up and down electric push rod 11 to stop extending according to pressure information, so that friction ball 16 has the same pressure on different plastic shells, which is a known technical means, and will not be described here.
[0029] Example 2
[0030] Please refer to Figure 3 With Figure 4 The difference between the embodiment and example 1 is that:
[0031] The limiting mechanism 17 comprises a limiting box 171 fixedly connected to one side surface of the rotating disc 14, a moving plate 172 slidingly connected in the inner cavity of the limiting box 171, a limiting spring 173 fixedly connected to the moving plate 172 away from the one side surface of the rotating disc 14, and a limiting column 174 fixedly connected to the moving plate 172 away from one end of the rotating disc 14; both ends of the limiting column 174 are movably connected to the limiting box 171, and the fixed disc 13 is provided with a limiting hole 19 matching the structure size of the limiting column 174 on the side surface close to the rotating disc 14; when the limiting column 174 is inserted into different limiting holes 19, different friction balls 16 are slidingly connected with the automobile plastic shell, and the limiting column 174 is inserted into the limiting hole 19 to limit the position of the limiting box 171 and the rotating disc 14, so that the rotating disc 14 is prevented from rotating during the wear detection.
[0032] The working principle and use process of the utility model are as follows: after the friction ball 16 is slidingly connected with the automobile plastic shell, the pressure detection sensor 12 senses the pressure information at this time, transmits to the controller for processing and analysis, and after reaching the set value, the controller controls the up and down electric push rod 11 to stop extending, the starting of the control servo motor 10 is controlled at this time, the rotation of the driving disc 9 is driven, so that the movement of the reciprocating square rod 7 is pulled by the movement rod 8, the reciprocating square rod 7 slides in the open groove 6 through the sliding block 18, at this time the friction ball 16 reciprocatingly rubs the automobile plastic shell, after a certain time, the servo motor 10 is turned off, the contraction of the up and down electric push rod 11 is controlled, the wear of the automobile plastic shell is observed, if there is no wear, the limiting column 174 of the limiting box 171 is pulled out at this time, the movement of the moving plate 172 and the limiting column 174 is driven, at this time the limiting spring 173 is deformed, the limiting column 174 leaves the limiting hole 19, the rotating disc 14 is rotated, the different friction balls 16 are downward, then the limiting column 174 is loosened, at this time the limiting spring 173 restores to its original state, the limiting column 174 is inserted into the corresponding limiting hole 19, and the friction ball 16 rubs the automobile plastic shell in the same way, so that the wear resistance of the automobile plastic shell is understood.
[0033] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
[0034] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims
1. A wear test device for plastic housings for automobiles, comprising a base (1), characterized in that: The bottom surface of the base (1) is fixedly connected with a fixed plate (2), one side surface of the fixed plate (2) is fixedly connected with a clamping electric push rod (3) penetrating through, the telescopic end of the clamping electric push rod (3) is fixedly connected with a clamping plate (4), the top surface of the base (1) is fixedly connected with a top plate (5) through a supporting rod, the top surface of the top plate (5) is provided with an open slot (6), the inner side surface of the open slot (6) is clamped and slidably connected with a reciprocating square rod (7), the upper side of the reciprocating square rod (7) is provided with a moving rod (8), the rear side of the reciprocating square rod (7) is provided with a driving disc (9), the lower side of the driving disc (9) is provided with a servo motor (10), the bottom surface of the reciprocating square rod (7) is fixedly connected with an up-down electric push rod (11), the telescopic end of the up-down electric push rod (11) is fixedly connected with a pressure detection sensor (12), the bottom end of the pressure detection sensor (12) is fixedly connected with a fixed disc (13), the one side surface of the fixed disc (13) is movably connected with a rotating disc (14) through a bearing, the outer side surface of the rotating disc (14) is fixedly connected with an extending rod (15), one end of the extending rod (15) is fixedly connected with a friction ball (16), one side of the rotating disc (14) is provided with a limiting mechanism (17).
2. A wear testing device for a plastic housing for an automobile as defined in claim 1, wherein: The clamping plate (4) is provided with two, and the bottom surface of the two clamping plates (4) is slidably connected to the base (1), and the opposite side surfaces of the two clamping plates (4) are coated with a non-slip soft layer.
3. A wear testing device for a plastic housing for an automobile as defined in claim 1, wherein: The two side surfaces of the reciprocating square rod (7) are fixedly connected with sliding blocks (18), and the inner side surface of the open slot (6) is provided with a sliding groove matching the structure size of the sliding block (18).
4. A wear testing device for a plastic housing for an automobile as defined in claim 1, wherein: The bottom end of the driving disc (9) is fixedly connected to the output end of the servo motor (10), and the top surface of the driving disc (9) and the top surface of the reciprocating square rod (7) are movably connected to the moving rod (8) through bearings.
5. A wear testing device for a plastic housing for an automobile as defined in claim 1, wherein: The limiting mechanism (17) comprises a limiting box (171) fixedly connected to the one side surface of the rotating disc (14), the limiting box (171) is slidably connected with a moving plate (172) clamped in the inner cavity, the moving plate (172) is fixedly connected with a limiting spring (173) away from the one side surface of the rotating disc (14), and the one end of the moving plate (172) away from the rotating disc (14) is fixedly connected with a limiting column (174).
6. A wear testing device for a plastic housing for an automobile as defined in claim 5, wherein: The two ends of the limiting column (174) are movably connected to the limiting box (171), and the one side surface of the fixed disc (13) close to the rotating disc (14) is provided with a limiting hole (19) matching the structure size of the limiting column (174).
7. A wear testing device for a plastic housing for an automobile as defined in claim 1, wherein: The top of the base (1) is provided with a control box (20), the front side surface of the control box (20) is clamped and fixedly connected with a display screen, and the inner cavity of the control box (20) is provided with a controller.