Rotation testing device for automobile air conditioner switch panel knob

Abstract

The invention belongs to the technical field of automobile part production, and discloses an automobile air conditioner switch panel rotary knob rotation testing device, which comprises a working frame, a Y-axis moving assembly is arranged on the working frame, an X-axis moving assembly is arranged on the Y-axis moving assembly, a driving assembly is arranged on the X-axis moving assembly, and a clamping assembly is arranged on the X-axis moving assembly. A clamping assembly is arranged at the bottom of the driving assembly; through cooperation of the Y-axis moving assembly, the X-axis moving assembly, the driving assembly, the clamping assembly and other structures, the torsion detection efficiency of the device is high, through contraction of an opening and closing air cylinder, an upper roller rolls along the inner wall of a limiting ring, and the upper roller is always attached to the inner wall of the limiting ring through the elastic force of a second spring; therefore, the second spring pushes the rotating rod to rotate, the lower roller can center and clamp the knob switch, the plugging shaft is rotated through motor transmission, and the detection efficiency and the detection accuracy are greatly improved through automatic equipment detection.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile parts production, and particularly relates to a rotation testing device for a rotary knob of an automobile air conditioner switch panel. BACKGROUND

[0002] As a key component for improving the driving comfort, the stability and reliability of the performance of the automobile air conditioning system directly affect the driving experience of the user. The quality of the rotary knob of the automobile air conditioner switch panel is crucial as an important interface for the user to interact with the air conditioning system. If the rotary knob has quality problems, such as rotation jamming, poor hand feeling, short service life, etc., it will greatly affect the user's operation experience of the air conditioning system. Therefore, the manufacturer needs to strictly control the quality of the rotary knob of the air conditioner switch panel.

[0003] The traditional testing method mainly relies on manual operation and simple testing tools. When manually testing, the tester manually rotates the rotary knob and judges the rotation hand feeling, damping uniformity and other performance indicators by relying on his own feeling and experience. Although this method can find some obvious quality problems to some extent, the subjectivity of manual testing is strong, and different testers may have different feelings and judgment standards for the performance of the rotary knob, which makes it difficult to ensure the accuracy of the test results, and the efficiency of manual testing is low. Therefore, the present application provides a rotation testing device for a rotary knob of an automobile air conditioner switch panel to solve the above problems. SUMMARY

[0004] To solve the problems in the background art, the present application provides a rotation testing device for a rotary knob of an automobile air conditioner switch panel, which solves the problems of low efficiency and low accuracy of manual detection.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a rotation testing device for a rotary knob of an automobile air conditioner switch panel, comprising a workbench, a Y-axis moving assembly arranged on the workbench, an X-axis moving assembly arranged on the Y-axis moving assembly, a driving assembly arranged on the X-axis moving assembly, and a clamping assembly arranged at the bottom of the driving assembly. The driving assembly comprises a fixed frame, a motor, a first coupling, an angle encoder, a second coupling, a torsion sensor, a third coupling and a Z-axis moving assembly. One side of the Z-axis moving assembly is arranged on the X-axis moving assembly, the moving end of the Z-axis moving assembly is fixedly connected with the fixed frame, the side of the fixed frame away from the Y-axis moving assembly is fixedly connected with the motor, the output end of the motor is connected with the angle encoder through the first coupling, the bottom end of the angle encoder is connected with the torsion sensor through the second coupling, and the bottom of the torsion sensor is fixedly connected with the plug-in shaft through the third coupling. The clamping assembly comprises an opening and closing cylinder, a connecting frame, a limiting ring, a limiting frame, a rotating rod and a second spring, the output end of the opening and closing cylinder is fixedly connected with the connecting frame, the bottom side of the connecting frame is bearing connected with the limiting ring, the inner side of the limiting ring is a trumpet-shaped structure which is narrow at the top and wide at the bottom, the middle part of the limiting frame is fixedly connected with the bottom end of the plug-in shaft, the rotating rod is provided with three, and the three rotating rods are arranged in an annular array and rotate on the limiting frame, each rotating rod is provided with a roller at both ends, and the two ends of the second spring are fixedly connected with the rotating rod and the limiting frame.

[0006] Preferably, the clamping assembly clamps a switch panel below, and the switch panel is placed on a detection table; wherein the detection table comprises a workbench plate and two positioning pins, the bottom of the two positioning pins is fixedly connected with the workbench plate, and the two ends of the switch panel are inserted on the positioning pins.

[0007] Preferably, the top side of the workbench plate is provided with three limiting assemblies; the limiting assembly comprises a positioning block, a movable rod, a first spring, a clamping block, a limiting shaft and a jacking cylinder, the bottom of the positioning block is fixedly connected with the workbench plate, the middle part of the movable rod is movably connected with the movable rod, the two ends of the first spring are fixedly connected with the positioning block and the movable rod respectively, the top end of the movable rod is slidingly connected with the clamping block through the limiting shaft, the bottom end of the clamping block is hingedly connected with the positioning block, and the bottom of the movable rod is fixedly connected with the output end of the jacking cylinder.

[0008] Preferably, the two sides of the clamping block are provided with inclined grooves, the limiting shaft is slidingly connected in the inclined grooves, the top end of the clamping block is a hook-shaped structure, and the hook-shaped structure of the clamping block is in abutment with the edge of the switch panel.

[0009] Preferably, the opening and closing cylinder is fixedly connected with the fixed frame near one side of the Y-axis moving assembly, and the plug-in shaft is located at the center of the limiting ring.

[0010] Preferably, the rollers above the rotating rod are rollingly connected with the inner wall of the limiting ring, and the second spring is located above the limiting frame.

[0011] Preferably, the outer side of the torsion sensor is fixedly connected with the fixed frame.

[0012] Compared with the prior art, the present application has the following advantages: The application has high torsion detection efficiency of the device through the cooperation of the Y-axis moving assembly, the X-axis moving assembly, the driving assembly and the clamping assembly, the driving assembly and the clamping assembly are moved to the rotary knob switch of the switch panel through the movement of the Y-axis moving assembly, the X-axis moving assembly and the Z-axis moving assembly, the connecting frame drives the limiting ring to move upward through the contraction of the opening and closing cylinder, the upper roller rolls along the inner wall of the limiting ring, the upper roller is always attached to the inner wall of the limiting ring through the elastic force of the second spring, the second spring pushes the rotating rod to rotate due to the horn-shaped structure of the upper narrow lower wide inner wall of the limiting ring, so that the lower roller can center and clamp the rotary knob switch, the plug shaft is rotated through the transmission of the motor, so that the rotary knob switch is subjected to torsion detection through the roller, and the detection efficiency and the detection accuracy are greatly improved through automatic equipment detection; The application is convenient for clamping and limiting the switch panel through the cooperation of the detection table and the limiting assembly, the switch panel is positioned by being inserted on the two positioning pins, the movable rod is moved downward, the limiting shaft is moved downward along the inclined groove by the movable rod, the clamping block can be flipped towards the switch panel, so that the hook-shaped structure of the clamping block tightly abuts against the edge of the switch panel, and the device is convenient for clamping and limiting the switch panel. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the application; Figure 2 It is a position relation schematic view of the driving assembly and the clamping assembly of the application; Figure 3 It is a cross-sectional schematic view of the driving assembly and the clamping assembly of the application; Figure 4 It is a position relation schematic view of the detection station table and the switch panel of the application; Figure 5 It is a position relation schematic view of the limiting assembly and the switch panel of the application; Figure 6 It is a schematic view of the limiting assembly of the application; Figure 7 It is a disassembled schematic view of the limiting assembly of the application.

[0014] In the diagram: 1. Work frame; 2. Inspection table; 201. Workstation plate; 202. Positioning pin; 3. Y-axis moving assembly; 4. X-axis moving assembly; 5. Drive assembly; 501. Fixing frame; 502. Motor; 503. First coupling; 504. Angle encoder; 505. Second coupling; 506. Torque sensor; 507. Third coupling; 508. Insert / remove shaft; 509. Z-axis moving assembly; 6. Limiting assembly; 601. Positioning block; 602. Movable rod; 603. First spring; 604. Clamping block; 605. Limiting shaft; 606. Lifting cylinder; 7. Switch panel; 8. Clamping assembly; 801. Opening / closing cylinder; 802. Connecting frame; 803. Limiting ring; 804. Limiting frame; 805. Rotating rod; 806. Roller; 807. Second spring. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0016] like Figures 1 to 7 As shown, the present invention provides a rotation testing device for a car air conditioning switch panel knob, including a work frame 1, a Y-axis moving component 3 is provided on the work frame 1, an X-axis moving component 4 is provided on the Y-axis moving component 3, a drive component 5 is provided on the X-axis moving component 4, and a clamping component 8 is provided at the bottom of the drive component 5. The drive assembly 5 includes a fixed frame 501, a motor 502, a first coupling 503, an angle encoder 504, a second coupling 505, a torque sensor 506, a third coupling 507, and a Z-axis moving assembly 509. One side of the Z-axis moving assembly 509 is mounted on the X-axis moving assembly 4. The moving end of the Z-axis moving assembly 509 is fixedly connected to the fixed frame 501. The side of the fixed frame 501 away from the Y-axis moving assembly 3 is fixedly connected to the motor 502. The output end of the motor 502 is connected to the angle encoder 504 through the first coupling 503. The bottom end of the angle encoder 504 is connected to the torque sensor 506 through the second coupling 505. The bottom of the torque sensor 506 is fixedly connected to the plug-in shaft 508 through the third coupling 507. The clamping assembly 8 includes an opening and closing cylinder 801, a connecting frame 802, a limiting ring 803, a limiting frame 804, a rotating rod 805, and a second spring 807. The output end of the opening and closing cylinder 801 is fixedly connected to the connecting frame 802. The bottom side of the connecting frame 802 is connected to the limiting ring 803 by a bearing. The inner side of the limiting ring 803 has a flared structure that is narrow at the top and wide at the bottom. The middle part of the limiting frame 804 is fixedly connected to the bottom end of the insertion and removal shaft 508. There are three rotating rods 805, and the three rotating rods 805 are arranged in a circular array and rotated on the limiting frame 804. Each rotating rod 805 has a roller 806 at both ends. The two ends of the second spring 807 are fixedly connected to the rotating rod 805 and the limiting frame 804, respectively. The opening and closing cylinder 801 is fixedly connected to the fixed frame 501 on the side near the Y-axis moving assembly 3. The insertion and removal shaft 508 is located at the center of the limiting ring 803. The roller 806 above the rotating rod 805 is in rolling connection with the inner wall of the limiting ring 803. The second spring 807 is located above the limiting frame 804. The outer side of the torque sensor 506 is fixedly connected to the fixed frame 501. The movement of the Y-axis moving component 3 and the X-axis moving component 4 drives the drive component 5 and the clamping component 8 to move to the rotary switch on the switch panel 7. The opening and closing cylinder 801 retracts, and the connecting frame 802 drives the limiting ring 803 to move upward. The upper roller 806 rolls along the inner wall of the limiting ring 803. The elastic force of the second spring 807 keeps the upper roller 806 in contact with the inner wall of the limiting ring 803. Since the inner wall of the limiting ring 803 is a flared structure that is narrow at the top and wide at the bottom, the second spring 807 pushes the rotating rod 805 to rotate, so that the lower roller 806 can center and clamp the rotary switch. The insertion shaft 508 is rotated by the motor 502. By extending the opening and closing cylinder 801, the limiting ring 803 moves downward, and the upper roller 806 rolls along the inner wall of the limiting ring 803, causing the rotating rod 805 to rotate and compress the second spring 807, thereby causing the lower roller 806 to release the rotary switch of the switch panel 7. Then, through the cooperation of the Y-axis moving component 3 and the X-axis moving component 4, the driving component 5 and the clamping component 8 move to another rotary switch of the switch panel 7. The operation is repeated to detect torque. It is worth noting that the Y-axis movement component 3, X-axis movement component 4, Z-axis movement component 509, angle encoder 504, and torque sensor 506 are all existing conventional technologies. The angle encoder 504 is used to collect the angle of rotation of the rotary switch driven by the motor 502 to generate the X-axis value; the torque sensor 506 is used to collect the torque of the rotary switch driven by the motor 502 to generate the Y-axis value. By plotting the X / Y axis values ​​in the quadrant coordinate system (the force value corresponding to the angle) to generate the curve corresponding to the angle and force, the detection result is obtained, which will not be elaborated further here.

[0017] like Figures 4 to 7As shown, the lower clamping assembly 8 clamps the switch panel 7, and the switch panel 7 is placed on the detection table 2; The detection table 2 comprises a worktable plate 201 and two positioning pins 202, the bottoms of the two positioning pins 202 are fixedly connected with the worktable plate 201, and the two ends of the switch panel 7 are inserted on the positioning pins 202; the top side of the worktable plate 201 is provided with three limiting assemblies 6; the limiting assembly 6 comprises a positioning block 601, a movable rod 602, a first spring 603, a clamping block 604, a limiting shaft 605 and a jacking cylinder 606, the bottom of the positioning block 601 is fixedly connected with the worktable plate 201, the middle part of the movable rod 602 is movably connected with the movable rod 602, the two ends of the first spring 603 are fixedly connected with the positioning block 601 and the movable rod 602 respectively, the top end of the movable rod 602 is slidably connected with the clamping block 604 through the limiting shaft 605, the bottom end of the clamping block 604 is hingedly connected with the positioning block 601, the bottom of the movable rod 602 is fixedly connected with the output end of the jacking cylinder 606, the two sides of the clamping block 604 are provided with inclined grooves, the limiting shaft 605 is slidably connected in the inclined grooves, and the top end of the clamping block 604 is in the form of a hook structure, and the hook structure of the clamping block 604 abuts against the edge of the switch panel 7; The jacking cylinder 606 pushes the movable rod 602 upwards, drives the limiting shaft 605 to move upwards along the inclined grooves, and through the inclined grooves, drives the clamping block 604 to overturn towards the side away from the switch panel 7, so that the hook structure of the clamping block 604 does not abut against the edge of the switch panel 7, and the switch panel 7 can be taken out upwards.

[0018] The working principle and use process of the present application are as follows: Firstly, the switch panel 7 is positioned by being inserted on the two positioning pins 202, the jacking cylinder 606 drives the movable rod 602 to move downwards, the movable rod 602 drives the limiting shaft 605 to move downwards along the inclined grooves, so that the clamping block 604 can overturn towards the switch panel 7, so that the hook structure of the clamping block 604 tightly abuts against the edge of the switch panel 7; The movement of the Y-axis moving assembly 3 and the X-axis moving assembly 4 drives the driving assembly 5 and the clamping assembly 8 to move to the position directly above the knob switch of the switch panel 7, then the Z-axis moving assembly 509 moves downwards to the knob switch of the switch panel 7, drives the opening and closing cylinder 801 to contract, drives the limiting ring 803 to move upwards through the connecting frame 802, the upper roller 806 rolls along the inner wall of the limiting ring 803, the upper roller 806 is always in close contact with the inner wall of the limiting ring 803 through the elastic force of the second spring 807, since the inner wall of the limiting ring 803 is in the form of a horn structure which is narrow at the top and wide at the bottom, the second spring 807 drives the rotating rod 805 to rotate, so that the lower roller 806 can center and clamp the knob switch, the plug-in shaft 508 is rotated through the transmission of the motor 502, so that the knob switch is subjected to torque detection through the roller 806.

[0019] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify a subject or action, without necessarily requiring or implying any such actual relationship or order between such subjects 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.

[0020] While embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, combinations, and variations of the embodiments can be undertaken without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A rotation testing device for a car air conditioning switch panel knob, comprising a work frame (1), characterized in that: The work frame (1) is provided with a Y-axis moving component (3), the Y-axis moving component (3) is provided with an X-axis moving component (4), the X-axis moving component (4) is provided with a driving component (5), and the bottom of the driving component (5) is provided with a clamping component (8). The drive assembly (5) includes a fixed frame (501), a motor (502), a first coupling (503), an angle encoder (504), a second coupling (505), a torque sensor (506), a third coupling (507), a plug-in shaft (508), and a Z-axis moving assembly (509). One side of the Z-axis moving assembly (509) is mounted on the X-axis moving assembly (4). The moving end of the Z-axis moving assembly (509) is connected to the fixed frame (501). 01) Fixed connection: The side of the fixed frame (501) away from the Y-axis moving assembly (3) is fixedly connected to the motor (502). The output end of the motor (502) is connected to the angle encoder (504) through the first coupling (503). The bottom end of the angle encoder (504) is connected to the torque sensor (506) through the second coupling (505). The bottom of the torque sensor (506) is fixedly connected to the plug-in shaft (508) through the third coupling (507). The clamping assembly (8) includes an opening and closing cylinder (801), a connecting frame (802), a limiting ring (803), a limiting frame (804), a rotating rod (805), and a second spring (807). The output end of the opening and closing cylinder (801) is fixedly connected to the connecting frame (802). The bottom side of the connecting frame (802) is connected to the limiting ring (803) by a bearing. The inner side of the limiting ring (803) is a trumpet-shaped structure that is narrow at the top and wide at the bottom. The middle part of the limiting frame (804) is fixedly connected to the bottom end of the insertion and removal shaft (508). There are three rotating rods (805), and the three rotating rods (805) are arranged in a circular array and rotated on the limiting frame (804). Each rotating rod (805) has a roller (806) at both ends. The two ends of the second spring (807) are fixedly connected to the rotating rod (805) and the limiting frame (804) respectively.

2. The rotation testing device for the automotive air conditioning switch panel knob according to claim 1, characterized in that: The clamping assembly (8) holds a switch panel (7) below, and the switch panel (7) is placed on the testing table (2); The testing station (2) includes a workstation plate (201) and two positioning pins (202). The bottoms of the two positioning pins (202) are fixed to the workstation plate (201), and the two ends of the switch panel (7) are inserted into the positioning pins (202).

3. The rotation testing device for the automotive air conditioning switch panel knob according to claim 2, characterized in that: The top side of the workstation platform (201) is provided with three limiting components (6). The limiting component (6) includes a positioning block (601), a movable rod (602), a first spring (603), a locking block (604), a limiting shaft (605), and a lifting cylinder (606). The bottom of the positioning block (601) is fixedly connected to the workstation plate (201). The middle part of the movable rod (602) is movably connected to the movable rod (602). The two ends of the first spring (603) are fixedly connected to the positioning block (601) and the movable rod (602) respectively. The top end of the movable rod (602) is slidably connected to the locking block (604) through the limiting shaft (605). The bottom end of the locking block (604) is hinged to the positioning block (601). The bottom of the movable rod (602) is fixedly connected to the output end of the lifting cylinder (606).

4. The rotation testing device for the automotive air conditioning switch panel knob according to claim 3, characterized in that: The card block (604) has inclined grooves on both sides, and the limiting shaft (605) is slidably connected in the inclined groove. The top of the card block (604) is a hook-shaped structure, and the hook-shaped structure of the card block (604) abuts against the edge of the switch panel (7).

5. The rotation testing device for the automotive air conditioning switch panel knob according to claim 1, characterized in that: The opening and closing cylinder (801) is fixed to the fixing frame (501) on the side near the Y-axis moving assembly (3), and the insertion and removal shaft (508) is located at the center of the limiting ring (803).

6. The rotation testing device for the automotive air conditioning switch panel knob according to claim 1, characterized in that: The roller (806) above the rotating rod (805) is in rolling connection with the inner wall of the limiting ring (803), and the second spring (807) is located above the limiting frame (804).

7. The rotation testing device for the automotive air conditioning switch panel knob according to claim 1, characterized in that: The outside of the torque sensor (506) is fixedly connected to the bracket (501).

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