Metal shell aperture measuring device for electric vehicle

Abstract

The utility model relates to a metal shell aperture measuring device for an electric vehicle. The metal shell aperture measuring device comprises a workbench, a moving mechanism and a detecting mechanism, the moving mechanism comprises a sliding rail, a supporting plate and a first driving device; the sliding rail is horizontally arranged on the workbench; the supporting plate is slidably arranged on the sliding rail. The first driving device is arranged on the workbench; a plurality of positioning blocks are arranged on the supporting plate; the detection mechanism comprises a support frame, a moving seat, a second driving device and a pneumatic measuring instrument; the supporting frame is fixed to the workbench, and the moving seat is vertically arranged on the supporting frame in a sliding mode and always keeps horizontal. The second driving device is arranged on the supporting frame and used for driving the movable base to vertically move on the supporting frame. The pneumatic measuring instrument is arranged on the moving seat, and a detection head of the pneumatic measuring instrument is vertically arranged downwards; and a motor is arranged on the moving seat and is used for driving a detection head of the pneumatic measuring instrument to rotate. According to the utility model, the hole diameter of the to-be-detected hole of the metal housing for the electric vehicle can be rapidly and effectively detected.

Description

Technical Field

[0001] The utility model relates to the technical field of metal piece airtightness detection, in particular to a metal shell aperture measuring device for electric vehicles. Background Art

[0002] The upper surface of the metal shell of an electric vehicle has several circular inlets for connecting other components on the electric vehicle, so there are strict precision requirements for their apertures. At present, due to the complex shape of the metal shell of an electric vehicle, it is difficult to fix and measure the aperture of its inlet.

[0003] Therefore, it is desired to provide a metal shell aperture measuring device for electric vehicles, in order to solve the above technical problems. Utility Model Content

[0004] The utility model aims to provide a device for measuring the aperture of a metal shell of an electric vehicle, which can quickly and effectively detect the aperture of a hole to be detected in the metal shell of the electric vehicle.

[0005] In order to achieve the purpose of the above utility model, a metal shell aperture measuring device for electric vehicles is provided, comprising a workbench, a moving mechanism and a detection mechanism;

[0006] The moving mechanism comprises a slide rail, a support plate and a first driving device;

[0007] The slide rail is horizontally arranged on the workbench;

[0008] The support plate is slidably arranged on the slide rail;

[0009] The first driving device is arranged on the workbench and is used to drive the support plate to move on the slide rail;

[0010] The support plate is provided with a plurality of positioning blocks, and the inner wall shapes and positions of the plurality of positioning blocks on the support plate are adapted to the housing to be detected;

[0011] The detection mechanism includes a support frame, a movable seat, a second drive device and a pneumatic measuring instrument;

[0012] The support frame is fixed on the workbench, and the movable seat is vertically slidably arranged on the support frame, and the movable seat always keeps horizontal;

[0013] The second driving device is arranged on the support frame, and is used to drive the moving seat to move vertically on the support frame;

[0014] The pneumatic measuring instrument is arranged on the movable seat, and the detection head of the pneumatic measuring instrument is arranged vertically downward;

[0015] The movable seat is provided with a motor, and the motor is used for driving the detection head of the pneumatic measuring instrument to rotate.

[0016] Preferably, a cylinder is provided on one side of the support plate, and the piston rod of the cylinder is arranged horizontally;

[0017] The end of the piston rod of the cylinder is provided with a marking head.

[0018] Preferably, the first driving device comprises a first servo motor and a first lead screw;

[0019] The first lead screw is horizontally rotatably arranged on the workbench, and the first lead screw is parallel to the slide rail;

[0020] The support plate is threadedly sleeved on the first lead screw;

[0021] The first servo motor is used to drive the first lead screw to rotate.

[0022] Further, the second driving device includes a second servo motor and a second lead screw;

[0023] The second lead screw is vertically and rotatably arranged on one side of the support frame;

[0024] The movable seat is threadedly sleeved on the second lead screw;

[0025] The second servo motor is used to drive the second lead screw to rotate.

[0026] Preferably, telescopic rods are vertically provided at the corners of the lower surface of the movable seat, and the top ends of several of the telescopic rods are connected to the movable seat;

[0027] The bottom ends of the plurality of telescopic rods are connected to a same horizontal plate, and the detection head of the pneumatic measuring instrument passes through the horizontal plate;

[0028] A spring is sleeved on the telescopic rod.

[0029] Furthermore, a plurality of pressure rods are vertically arranged on the lower surface of the horizontal plate, and a rubber sleeve is arranged at the bottom of the pressure rods.

[0030] (1) The moving mechanism can quickly locate the metal shell to be inspected and move it to the specified position; the detection mechanism can quickly and accurately detect the aperture of the hole to be inspected in the metal shell;

[0031] (2) Simple structure and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic structural diagram of a metal shell aperture measurement device for electric vehicles according to this embodiment;

[0033] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0034] Figure 3 for Figure 1 A partial enlarged view of point B in the middle. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] like Figure 1 As shown, a metal shell aperture measuring device for electric vehicles of the utility model comprises a workbench 1, a moving mechanism and a detection mechanism.

[0037] The moving mechanism includes a slide rail 2, a support plate 3 and a first driving device; the slide rail 2 is horizontally arranged on the workbench 1; the support plate 3 is slidably arranged on the slide rail 2; the first driving device is arranged on the workbench 1, and is used to drive the support plate 3 to move on the slide rail; Figure 2 As shown, the support plate 3 is provided with a plurality of positioning blocks 4, and the shapes of the inner walls of the plurality of positioning blocks 4 and the positions on the support plate 3 are adapted to the housing to be detected.

[0038] In this embodiment, if Figure 1 As shown, a cylinder 5 is provided on one side of the support plate 3, and the piston rod of the cylinder 5 is arranged horizontally; a marking head 6 is provided at the end of the piston rod of the cylinder 5; when defective products appear after the metal shell is inspected, the cylinder 5 is started, and the marking head 6 marks the side of the metal shell.

[0039] The detection mechanism includes a support frame 7, a movable seat 8, a second driving device and a pneumatic measuring instrument 9; the support frame 7 is fixed on the workbench 1, the movable seat 8 is vertically slidably arranged on the support frame 7, and the movable seat 8 always remains horizontal; the second driving device is arranged on the support frame 7, and is used to drive the movable seat 8 to move vertically on the support frame 7; the pneumatic measuring instrument 9 is arranged on the movable seat 8, and the detection head 10 of the pneumatic measuring instrument 9 is arranged vertically downward; the movable seat 8 is provided with a motor 11, and the motor 11 is used to drive the detection head 10 of the pneumatic measuring instrument 9 to rotate.

[0040] When inspecting the metal shell 12 for the electric motor, it is first placed on the support plate 3 and positioned by the positioning block 4, and then the first driving device is started to move the support plate 3 on the slide rail 2 until the hole to be inspected on the metal shell 12 for the electric vehicle is located directly below the detection head 10 on the pneumatic measuring instrument 9; the second driving device is started to lower the moving seat 8 until the pneumatic measuring instrument 9 reaches the specified position of the hole to be measured, and then the motor 11 is started, and the detection head 10 of the pneumatic measuring instrument 9 rotates to measure the inner diameter of the hole.

[0041] The pneumatic measuring instrument is a precision measuring instrument mainly used in the machinery manufacturing industry. Its working principle is to use various pneumatic measuring heads or pneumatic measuring devices to accurately measure the size or shape parameters of the measured part by comparative measurement. In the measurement process, compressed air is used as the medium, and the flow or pressure of air in the pipeline changes with the geometric size and shape of the pipeline. The size or displacement is converted into the change of flow or pressure, thereby achieving measurement.

[0042] In this embodiment, if Figure 1 As shown, the first driving device includes a first servo motor 13 and a first lead screw 14; the first lead screw 14 is horizontally rotatably arranged on the workbench 1, and the first lead screw 14 is parallel to the slide rail 2; the support plate 3 is threadedly sleeved on the first lead screw 14, and the first servo motor 13 is used to drive the first lead screw 14 to rotate, thereby realizing the precise movement of the support plate 3 on the slide rail.

[0043] Similarly, in this embodiment, if Figure 1 As shown, the second driving device includes a second servo motor 15 and a second lead screw 16; the second lead screw 16 is vertically and rotatably arranged on one side of the support frame 7; the moving seat 8 is threadedly sleeved on the second lead screw 16; the second servo motor 15 is used to drive the second lead screw 16 to rotate.

[0044] In this embodiment, if Figure 3 As shown, telescopic rods 17 are vertically provided at the corners of the lower surface of the movable seat 8, the top ends of several telescopic rods 17 are connected to the movable seat 8, the bottom ends of several telescopic rods 17 are connected to the same horizontal plate 18, and the detection head 10 of the pneumatic measuring instrument 9 passes through the horizontal plate 18; a spring 19 is sleeved on the telescopic rod 17; such an arrangement can effectively prevent the metal shell of the electric vehicle to be detected from being crushed.

[0045] Furthermore, a plurality of pressure rods 20 are vertically arranged on the lower surface of the transverse plate 18 , and a rubber sleeve 21 is arranged at the bottom of the pressure rod 20 to further prevent the metal shell from being crushed.

[0046] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A metal shell aperture measuring device for electric vehicles, characterized in that: Including a workbench, a moving mechanism and a detection mechanism; The moving mechanism comprises a slide rail, a support plate and a first driving device; The slide rail is horizontally arranged on the workbench; The support plate is slidably arranged on the slide rail; The first driving device is arranged on the workbench and is used to drive the support plate to move on the slide rail; The support plate is provided with a plurality of positioning blocks, and the inner wall shapes and positions of the plurality of positioning blocks on the support plate are adapted to the housing to be detected; The detection mechanism includes a support frame, a movable seat, a second drive device and a pneumatic measuring instrument; The support frame is fixed on the workbench, and the movable seat is vertically slidably arranged on the support frame, and the movable seat always keeps horizontal; The second driving device is arranged on the support frame, and is used to drive the moving seat to move vertically on the support frame; The pneumatic measuring instrument is arranged on a movable seat, and a detection head of the pneumatic measuring instrument is arranged vertically downward; The movable seat is provided with a motor, and the motor is used for driving the detection head of the pneumatic measuring instrument to rotate.

2. The electric vehicle metal shell aperture measuring device according to claim 1, characterized in that: A cylinder is provided on one side of the support plate, and a piston rod of the cylinder is arranged horizontally; The end of the piston rod of the cylinder is provided with a marking head.

3. A metal shell aperture measuring device for electric vehicles as claimed in claim 1 or 2, characterized in that: The first driving device includes a first servo motor and a first lead screw; The first lead screw is horizontally rotatably arranged on the workbench, and the first lead screw is parallel to the slide rail; The support plate is threadedly sleeved on the first lead screw; The first servo motor is used to drive the first lead screw to rotate.

4. The electric vehicle metal shell aperture measuring device as claimed in claim 3, characterized in that: The second driving device includes a second servo motor and a second lead screw; The second lead screw is vertically and rotatably arranged on one side of the support frame; The movable seat is threadedly sleeved on the second lead screw; The second servo motor is used to drive the second lead screw to rotate.

5. The electric vehicle metal shell aperture measuring device according to claim 1, characterized in that: Telescopic rods are vertically provided at the corners of the lower surface of the movable seat, and the top ends of several of the telescopic rods are connected to the movable seat; The bottom ends of the plurality of telescopic rods are connected to a same horizontal plate, and the detection head of the pneumatic measuring instrument passes through the horizontal plate; A spring is sleeved on the telescopic rod.

6. The electric vehicle metal shell aperture measuring device as claimed in claim 5, characterized in that: A plurality of pressure rods are vertically arranged on the lower surface of the transverse plate, and a rubber sleeve is arranged at the bottom of the pressure rods.

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