Conference machine display overturning detection device

Abstract

The utility model discloses a conference machine display turnover detection device, which comprises a fixed carrier plate, an adjusting carrier plate, bearing wheels, a base, a first driving motor, a fixed clamping plate, a U-shaped bracket, a second rotating shaft, a cam, a movable clamping plate, a second driving motor, a first guide rod, a first shaft sleeve, a second shaft sleeve, a tension spring and a second guide rod, the two ends of the fixed carrying plate are rotationally installed on the base through first rotating shafts, and the first driving motor is fixedly installed on the base. According to the detection device, the cam rotates to push the movable clamping plate to move to be matched with the fixed clamping plate to clamp and fix the conference machine display, and the limiting position of single movement of the cam is fixed, so that the problem that the shell of the conference machine display is extruded and damaged due to excessive stroke is avoided compared with a cylinder or electric pushing clamping mode; the device has the advantages of large rotation test observation angle and capability of reducing the labor intensity of workers, so that the workers can concentrate, and the problem of wrong detection or missing detection is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of conference machine detection, and in particular relates to a conference machine display flip detection device. Background Art

[0002] After the screen of the conference machine display is assembled on the production line, the staff needs to power it on for inspection and conduct multi-angle inspections to check whether there are bad pixels, color difference and other quality problems on the screen. The current inspection method requires the staff to constantly bend over and stand up alternately to inspect the screen from multiple angles. This method is time-consuming and laborious, and cannot improve the comfort of the staff's inspection work. After the staff is tired, it is easy to make mistakes or miss inspections. In addition, because the staff cannot turn their bodies to the appropriate inspection angle every time, the problem of wrong inspection still occurs. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a device for detecting multi-angle flipping of a conference machine display through an automatic flipping fixture, so as to reduce the labor intensity of the staff.

[0004] In order to solve the above technical problems, the present invention is implemented through the following technical solutions: a conference machine display flip detection device, including a fixed carrier plate, an adjustable carrier plate, a load-bearing wheel, a base, a first drive motor, a fixed splint, a U-shaped bracket, a second rotating shaft, a cam, a movable splint, a second drive motor, a first guide rod, a first shaft sleeve, a second shaft sleeve, a tension spring and a second guide rod, wherein both ends of the fixed carrier plate are rotatably mounted on the base through the first rotating shaft, the first drive motor is fixedly mounted on the base, the output shaft of the first drive motor is transmission-connected with the first rotating shaft, the fixed splint is fixedly mounted on the fixed carrier plate, the adjustable carrier plate is screwed and fixedly mounted on the fixed carrier plate, the U-shaped bracket is fixedly mounted on the adjustable carrier plate, and both ends of the second rotating shaft are connected through bearing seats. and a ball bearing rotatably mounted on the adjusting carrier plate, the second rotating shaft rotatably passes through the U-shaped bracket, the first driving motor is fixedly mounted on the adjusting carrier plate, the first driving motor is transmission-connected to the second rotating shaft, a plurality of cams are linearly distributed and fixedly sleeved on the second rotating shaft at the same angle, the rear ends of the first guide rod and the second guide rod are fixedly mounted on the movable splint, the front ends of the first guide rod and the second guide rod are slidably mounted on the U-shaped bracket, the first sleeve and the second sleeve are respectively fixedly mounted on the movable splint and the U-shaped bracket, the front end of the second guide rod slides through the second sleeve, the tension spring is sleeved on the second guide rod, the two ends of the tension spring are respectively fixedly connected to the first sleeve and the second sleeve, and the movable splint is pressed onto the cam under the action of the tension spring.

[0005] Preferably, a first rubber pad and a second rubber pad are fixedly provided on the clamping surfaces of the fixed clamping plate and the movable clamping plate, respectively.

[0006] Preferably, longitudinal oblong holes are symmetrically provided on both sides of the fixed carrier plate, and the adjustment carrier plate is fixedly connected to the fixed carrier plate via bolts and the longitudinal oblong holes.

[0007] Preferably, guide grooves are provided on both sides of the U-shaped bracket, guide plates are fixedly installed on both sides of the movable clamping plate, and the guide plates are slidably installed in the guide grooves.

[0008] Preferably, guide blocks are provided on the left and right sides of the fixed carrier plate and the adjustable carrier plate.

[0009] Preferably, the fixed carrier plate and the adjustable carrier plate are cooperatively provided with weight-reducing holes.

[0010] Compared with the prior art, the advantages of the utility model are: the detection device drives the movable clamp to move and cooperate with the fixed clamp to clamp the conference machine display through the rotation of the cam. Since the cam is fixed at the limit position of a single movement, compared with the clamping method of the cylinder or electric drive, there will be no problem of excessive stroke causing the outer shell of the conference machine display to be squeezed and damaged. Then the first drive motor is started to drive the combination of the first rotating shaft, the fixed carrier plate, and the adjusting carrier plate to rotate 90°-120°. After the conference machine display is powered on, the staff observes whether there are bad pixels, color difference and other quality problems on the screen. It has the advantages of a large rotation test observation angle and can reduce the labor intensity of the staff, so that the staff can concentrate and avoid the problem of wrong detection or missed detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings.

[0012] Figure 1 It is the front view of the utility model.

[0013] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at M. DETAILED DESCRIPTION

[0014] The utility model is described in detail below in conjunction with specific implementation methods:

[0015] like Figure 1 and Figure 2The conference machine display flip detection device shown in the figure includes a fixed carrier plate 1, an adjustable carrier plate 2, a load-bearing wheel 3, a base 30, a first drive motor 31, a fixed splint 4, a U-shaped bracket 7, a second rotating shaft 8, a cam 81, a movable splint 9, a second drive motor 10, a first guide rod 11, a first shaft sleeve 12, a second shaft sleeve 13, a tension spring 14 and a second guide rod 15. The two ends of the fixed carrier plate 1 are rotatably mounted on the base 30 through the first rotating shaft, the first drive motor 31 is fixedly mounted on the base 30, and the output shaft of the first drive motor 31 is transmission-connected with the first rotating shaft. The fixed splint 4 is fixedly mounted on the fixed carrier plate 1, the adjustable carrier plate 2 is screwed and fixedly mounted on the fixed carrier plate 1, the U-shaped bracket 7 is fixedly mounted on the adjustable carrier plate 2, and the two ends of the second rotating shaft 8 are rotatably mounted on the adjustable carrier plate 2 through a bearing seat and a ball bearing, the bearing seat is fixedly mounted on the adjustable carrier plate 2, and the retaining frame of the ball bearing The first drive motor 31 is fixedly mounted on the adjusting carrier plate 2, and the first drive motor 31 is transmission-connected to the second shaft 8. Several cams 81 are linearly distributed and fixedly sleeved on the second shaft 8 at the same angle. The rear ends of the first guide rod 11 and the second guide rod 15 are fixedly mounted on the movable splint 9, and the front ends of the first guide rod 11 and the second guide rod 15 are slidingly mounted on the U-shaped bracket 7. The first shaft sleeve 12 and the second shaft sleeve 13 are respectively fixedly mounted on the movable splint 9 and the U-shaped bracket 7. The front end of the second guide rod 15 slides through the second shaft sleeve 13. The tension spring 14 is sleeved on the second guide rod 15. The two ends of the tension spring 14 are respectively fixedly connected to the first shaft sleeve 12 and the second shaft sleeve 13. Under the action of the tension spring 14, the movable splint 9 is pressed onto the cam 81.

[0016] A first rubber pad 41 and a second rubber pad 42 are fixedly arranged on the clamping surfaces of the fixed clamping plate 4 and the movable clamping plate 9, respectively. The first rubber pad 41 and the second rubber pad 42 have a buffering effect to avoid squeezing and damaging the frame of the conference machine display.

[0017] The fixed carrier plate 1 is symmetrically provided with longitudinal oblong holes 101 on both sides, and the adjusting carrier plate 2 is fixedly connected to the fixed carrier plate 1 through bolts 21 and the longitudinal oblong holes 101. Since the adjusting carrier plate 2 is located on the upper part of the fixed carrier plate 1, a pad with the same height as the adjusting carrier plate 2 is provided at the lower part of the load-bearing wheel 3 on the fixed carrier plate 1 to ensure that the top heights of the load-bearing wheels 3 on the fixed carrier plate 1 and the adjusting carrier plate 2 are the same. After loosening the bolts 21 and their nuts, the relative installation positions of the adjusting carrier plate 2 and the fixed carrier plate 1 can be adjusted along the longitudinal oblong holes 101 to meet the use requirements of clamping and fixing conference machine displays of different sizes.

[0018] Guide grooves are provided on both sides of the U-shaped bracket 7, and guide plates 92 are fixedly installed on both sides of the movable splint 9. The guide plates 92 are slidably installed in the guide grooves. The guide plates 92 cooperate with the guide grooves to limit the freedom of the movable splint 9 in the up and down directions, thereby reducing the shear force on the first guide rod 11 and the second guide rod 15 in the up and down directions, avoiding the first guide rod 11 and the second guide rod 15 from bending during use, and extending their service life.

[0019] The fixed carrier plate 1 and the adjustable carrier plate 2 are provided with guide blocks 5 on the left and right sides. The guide blocks 5 are set to a 120°-160° bending structure. The two guide blocks 5 cooperate to form a guiding area for the conference machine display to avoid interference and collision with the fixed splint 4 or the movable splint 9 when the conference machine display is moved to the carrying wheel 3.

[0020] The fixed carrier plate 1 and the adjustable carrier plate 2 are provided with weight-reducing holes 6 to reduce the weight of the fixed carrier plate 1 and the adjustable carrier plate 2 and reduce the requirement on the driving force of the first driving motor 31 .

[0021] The conference machine display with a flat back structure flows from the production line to the supporting wheel 3, and the second drive motor 10 is started to drive the second rotating shaft 8 and the cam 81 to rotate 180° until the vertex of the elliptical structure of the cam 81 contacts the movable splint 9. During the rotation of the cam 81, the movable splint 9 is pushed to overcome the tension of the tension spring and approach the conference machine display. The movable splint 9 cooperates with the fixed splint 4 to clamp the conference machine display. The first drive motor 3 is started to drive the combination of the first rotating shaft, the fixed carrier 1, and the adjustment carrier 2 to rotate 90°-120°. After the conference machine display is powered on, the staff observes whether there are bad pixels, color difference and other quality problems on the screen. After the inspection is completed, the first drive motor 3 drives the conference machine display to reset to a horizontal state, and the second drive motor 10 is started to drive the cam 81 to rotate 180° to reset. Under the action of the tension spring 14, the movable splint 9 retracts and resets, and the staff pushes the conference machine display out.

Claims

1. A conference machine display flip detection device, characterized in that: The invention comprises a fixed carrier plate (1), an adjustable carrier plate (2), a load-bearing wheel (3), a base (30), a first drive motor (31), a fixed clamping plate (4), a U-shaped bracket (7), a second rotating shaft (8), a cam (81), a movable clamping plate (9), a second drive motor (10), a first guide rod (11), a first shaft sleeve (12), a second shaft sleeve (13), a tension spring (14) and a second guide rod (15), wherein both ends of the fixed carrier plate (1) are rotatably mounted on the base (30) via a first rotating shaft, the first drive motor (31) is fixedly mounted on the base (30), an output shaft of the first drive motor (31) is drivingly connected to the first rotating shaft, the fixed clamping plate (4) is fixedly mounted on the fixed carrier plate (1), the adjustable carrier plate (2) is fixedly mounted on the fixed carrier plate (1) by screw connection, the U-shaped bracket (7) is fixedly mounted on the adjustable carrier plate (2), both ends of the second rotating shaft (8) are rotatably mounted on the adjustable carrier plate (2) via a bearing seat and a ball bearing, and the second rotating shaft (8) rotates through the U-shaped bracket (7), the first drive motor (31) is fixedly mounted on the adjustment carrier plate (2), the first drive motor (31) is transmission-connected to the second rotating shaft (8), a plurality of cams (81) are linearly distributed and fixedly sleeved on the second rotating shaft (8) at the same angle, the rear ends of the first guide rod (11) and the second guide rod (15) are fixedly mounted on the movable clamping plate (9), the front ends of the first guide rod (11) and the second guide rod (15) are slidably mounted on the U-shaped bracket (7), the first shaft sleeve (12) and the second shaft sleeve (13) are respectively fixedly mounted on the movable clamping plate (9) and the U-shaped bracket (7), the front end of the second guide rod (15) slides through the second shaft sleeve (13), the tension spring (14) is sleeved on the second guide rod (15), the two ends of the tension spring (14) are respectively fixedly connected to the first shaft sleeve (12) and the second shaft sleeve (13), and under the action of the tension spring (14), the movable clamping plate (9) is pressed onto the cam (81).

2. The conference machine display flip detection device according to claim 1, characterized in that: A first rubber pad (41) and a second rubber pad (42) are fixedly arranged on the clamping surfaces of the fixed clamping plate (4) and the movable clamping plate (9), respectively.

3. The conference machine display flip detection device according to claim 1, characterized in that: Longitudinal oblong holes (101) are symmetrically arranged on both sides of the fixed carrier plate (1), and the adjustment carrier plate (2) is fixedly connected to the fixed carrier plate (1) via bolts (21) and the longitudinal oblong holes (101).

4. The conference machine display flip detection device according to claim 1, characterized in that: Guide grooves are provided on both sides of the U-shaped bracket (7), and guide plates (92) are fixedly mounted on both sides of the movable clamping plate (9), and the guide plates (92) are slidably mounted in the guide grooves.

5. The conference machine display flip detection device according to claim 1, characterized in that: Guide blocks (5) are provided on the left and right sides of the fixed carrier plate (1) and the adjustable carrier plate (2).

6. The conference machine display flip detection device according to claim 1, characterized in that: The fixed carrier plate (1) and the adjustable carrier plate (2) are cooperatively provided with weight-reducing holes (6).

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