Automatic filter switching device

Abstract

The utility model discloses an automatic filter switching device which comprises a base, one side of the top end of the base is provided with a base frame, the other side of the top end of the base is provided with a side plate, the inner wall of the upper end of the side plate is provided with a panel, the surface of the panel is provided with a CCD camera, and the top end of the base frame is rotatably provided with a lead screw through a support. Guide rods are fixed to the positions, on the two sides of the lead screw, of the top end of the base frame through supports, a bearing seat is arranged above the lead screw, two nut seats are installed on the outer wall of the lead screw in a threaded mode, a side connecting frame is arranged on the outer wall of the side, away from the side plate, of the base frame, and a first rotary driving piece is installed on the outer wall of the side connecting frame; the top end of the bearing seat on one side of the L-shaped seat body is movably connected with a rotating shaft through a support. Compared with the prior art, the device not only can perform multiple speed reduction on the wind-up roller so as to ensure that the filters are switched at low speed, but also achieves the purpose of automatically and stably switching the filters, and is convenient for a CCD (Charge Coupled Device) camera to identify a plurality of filters.

Description

Technical Field

[0001] The utility model relates to the technical field of filter plates, in particular to an automatic switching device for filter plates. Background Art

[0002] Filtering is the operation of filtering out specific frequency bands in a signal. It is an important measure to suppress and prevent interference. When identifying filters, in order to move the specified filter to the position of the CCD camera, a corresponding automatic filter switching device is required.

[0003] Reference publication number CN112450876B is a multi-band color separation filter automatic switching device, which includes a device bracket, a film changing mechanism, a power mechanism, a moving mechanism and a color separation filter. The device bracket is rotatably connected to the film changing mechanism, the device bracket is fixedly connected to the power mechanism, the power mechanism and the film changing mechanism are transmission-connected, the device bracket is connected to the moving mechanism, the moving mechanism and the film changing mechanism are transmission-connected, a plurality of color separation filters are clamped on the film changing mechanism, and the film changing mechanism can be driven to move by a power motor, the film changing mechanism drives different color separation filters through an ICCD camera, and at the same time, the film changing mechanism drives the moving mechanism to move, so that the relative distance between the ICCD camera and the color separation filter remains unchanged. According to the above, although the switching device can be well applied to automatically switch the filter, it is usually not convenient to perform multiple decelerations on the winding roller, and it is difficult to ensure that the filter is running at a low speed, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic switching device for filters to solve the problem that the switching device proposed in the above background technology can be well applied to automatically switch the filters, but it is usually not convenient to perform multiple decelerations on the winding roller and it is difficult to ensure that the filters run at a low speed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic switching device for a filter, comprising a base, a base frame is provided on one side of the top of the base, a side plate is provided on the other side of the top of the base, a panel is provided on the inner wall of the upper end of the side plate, a CCD camera is installed on the surface of the panel, a screw rod is rotatably installed on the top of the base frame through the bracket, the top of the base frame on both sides of the screw rod is fixed with a guide rod through the bracket, a bearing seat is provided above the screw rod, two nut seats are threadedly installed on the outer wall of the screw rod, the nut seat is movably connected with the guide rod, a side connecting frame is provided on the outer wall of the side of the base frame away from the side plate, a first rotating driving member is installed on the outer wall of the side connecting frame, one end of the first rotating driving member is connected to one end of the screw rod, an L-shaped seat body is provided on the top of the bearing seat, and a rotating shaft is movably connected to the top of the bearing seat on one side of the L-shaped seat body through the bracket, and a winding roller is provided on the end of the rotating shaft away from the bearing seat.

[0006] Preferably, a top frame is provided at the top of the L-shaped seat body, and an unwinding roller is rotatably mounted on the inner wall of the top frame above the winding roller, so that the filter can be placed and processed by the setting of the unwinding roller.

[0007] Preferably, the outer wall of the unwinding roller is provided with unwinding cavities with equal spacing, and the outer wall of the winding roller is provided with winding cavities with equal spacing, and the setting of the winding cavities and the unwinding cavities allows the filter to be wound and placed.

[0008] Preferably, a fourth gear is provided at one end of the rotating shaft away from the winding roller, and the end of the fourth gear away from the rotating shaft is rotatably connected to the outer wall of the L-shaped seat body, so that the rotating shaft can be placed through the setting of the fourth gear.

[0009] Preferably, a third gear is disposed above the fourth gear, and the third gear is meshed with the fourth gear. The third gear is meshed with the fourth gear so that the third gear drives the fourth gear to rotate.

[0010] Preferably, a second gear is provided at one end of the third gear through a guide shaft, and an end of the second gear away from the third gear is rotatably connected to the outer wall of the L-shaped seat body, and the second gear is provided so that the rotating second gear drives the third gear to rotate.

[0011] Preferably, a first gear is disposed above the second gear, and the first gear and the second gear are meshed with each other, so that the first gear drives the second gear to rotate through the meshing of the first gear and the second gear.

[0012] Preferably, a second rotating driving member is installed on the outer wall of the L-shaped seat body away from the first gear, and one end of the second rotating driving member is connected to one end of the first gear. The second rotating driving member is arranged to drive the first gear to rotate.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the automatic filter switching device can not only perform multiple decelerations on the winding roller to ensure that the filter is switched at a low speed, but also achieves the purpose of automatically and smoothly switching the filter, and facilitates the CCD camera to identify multiple filters;

[0014] (1) The first gear is driven to rotate by the second rotating driving member, so that the first gear drives the second gear to rotate slowly, and the rotating second gear drives the fourth gear to rotate further slowly via the third gear, so that the fourth gear drives the winding roller to rotate slowly via the rotating shaft, so as to perform multiple deceleration on the winding roller, thereby ensuring that the filter is switched to a low-speed operation;

[0015] (2) The first rotating driving member drives the screw to rotate, so that the nut seat is located on the outer wall of the screw and the guide rod to slide, so that the nut seat drives the winding roller and the unwinding roller to translate through the bearing seat and other related components, so as to translate the three filters between the winding chamber and the unwinding chamber to the front of the CCD camera as needed, thereby achieving the purpose of automatically and smoothly switching the filters;

[0016] (3) By respectively setting an unwinding cavity and a winding cavity on the outer walls of the unwinding roller and the winding roller, three groups of filters can be placed and wound at the same time, thereby facilitating the CCD camera to identify multiple filters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the base frame of the utility model;

[0019] Figure 3 This is a left-side structural schematic diagram of the L-shaped seat body of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the base frame of the utility model when viewed from above.

[0021] In the figure: 1. base; 2. side panel; 3. panel; 4. CCD camera; 5. base frame; 6. side connecting frame; 7. first rotating drive member; 8. bearing seat; 9. L-shaped seat body; 10. second rotating drive member; 11. top frame; 12. unwinding roller; 1201, unwinding chamber; 13. winding roller; 1301, winding chamber; 14. rotating shaft; 15. screw rod; 16. guide rod; 17. nut seat; 18. first gear; 19. second gear; 20. third gear; 21. fourth gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: an automatic filter switching device, comprising a base 1, a base frame 5 is provided on one side of the top of the base 1, a side plate 2 is provided on the other side of the top of the base 1, a panel 3 is provided on the inner wall of the upper end of the side plate 2, a CCD camera 4 is installed on the surface of the panel 3, a screw rod 15 is rotatably installed on the top of the base frame 5 through a bracket, guide rods 16 are fixed to the top of the base frame 5 on both sides of the screw rod 15 through brackets, a bearing seat 8 is provided above the screw rod 15, two nut seats 17 are threadedly installed on the outer wall of the screw rod 15, and the nut seat 17 is movably connected to the guide rod 16;

[0024] A side connecting frame 6 is provided on the outer wall of the base frame 5 away from the side plate 2, and a first rotating driving member 7 is installed on the outer wall of the side connecting frame 6. One end of the first rotating driving member 7 is connected to one end of the screw rod 15. An L-shaped seat body 9 is provided on the top of the bearing seat 8. A top frame 11 is provided on the top of the L-shaped seat body 9. A reeling roller 12 is rotatably installed on the inner wall of the top frame 11 above the reeling roller 13.

[0025] When in use, the unwinding roller 12 is arranged so as to place the filter sheet;

[0026] The outer wall of the unwinding roller 12 is provided with unwinding cavities 1201 with equal spacing, and the outer wall of the winding roller 13 is provided with winding cavities 1301 with equal spacing;

[0027] When in use, the rewinding chamber 1301 and the unwinding chamber 1201 are provided so as to wind and place the filter sheet;

[0028] The top of the bearing seat 8 on one side of the L-shaped seat body 9 is movably connected to a rotating shaft 14 through a bracket, and a fourth gear 21 is provided at one end of the rotating shaft 14 away from the winding roller 13, and the end of the fourth gear 21 away from the rotating shaft 14 is rotatably connected to the outer wall of the L-shaped seat body 9;

[0029] When in use, the fourth gear 21 is arranged so as to place the rotating shaft 14;

[0030] A third gear 20 is disposed above the fourth gear 21, and the third gear 20 and the fourth gear 21 are meshed with each other;

[0031] When in use, the third gear 20 and the fourth gear 21 are meshed with each other, so that the third gear 20 drives the fourth gear 21 to rotate;

[0032] One end of the third gear 20 is provided with a second gear 19 via a guide shaft, and one end of the second gear 19 away from the third gear 20 is rotatably connected to the outer wall of the L-shaped seat body 9;

[0033] When in use, the second gear 19 is set so that the rotating second gear 19 drives the third gear 20 to rotate;

[0034] A first gear 18 is disposed above the second gear 19, and the first gear 18 and the second gear 19 are meshed with each other;

[0035] When in use, the first gear 18 and the second gear 19 are meshed with each other, so that the first gear 18 drives the second gear 19 to rotate;

[0036] A second rotary drive member 10 is mounted on the outer wall of the L-shaped seat body 9 away from the first gear 18, and one end of the second rotary drive member 10 is connected to one end of the first gear 18;

[0037] When in use, the second rotary drive member 10 is arranged to drive the first gear 18 to rotate;

[0038] A winding roller 13 is disposed at one end of the rotating shaft 14 away from the supporting seat 8 .

[0039] When the embodiment of the present application is in use, firstly, the unwinding chamber 1201 and the winding chamber 1301 are respectively provided on the outer walls of the unwinding roller 12 and the winding roller 13, so that the three groups of filters can be placed and wound, thereby facilitating the CCD camera 4 to identify the three filters, and then the first gear 18 is driven to rotate by the second rotating driving member 10. Since the first gear 18 and the second gear 19 are meshed with each other, and the diameter of the first gear 18 is smaller than the diameter of the second gear 19, the first gear 18 drives the second gear 19 to rotate slowly, and since the third gear 20 and the fourth gear 21 are meshed with each other, and the diameter of the third gear 20 is smaller than the diameter of the fourth gear 21, the rotating second gear 19 drives the fourth gear 21 to further rotate slowly through the third gear 20. By rotating, the fourth gear 21 can drive the winding roller 13 to rotate slowly via the rotating shaft 14, so as to perform multiple deceleration on the winding roller 13. At this time, the filter arranged on the outer wall of the unwinding roller 12 will be wound around the outer wall of the winding roller 13, so as to facilitate the CCD camera 4 to identify the filter. Finally, the first rotating drive member 7 drives the screw rod 15 to rotate, so that the nut seat 17 is located on the outer wall of the screw rod 15 and the guide rod 16 to slide, so that the nut seat 17 drives the winding roller 13 and the unwinding roller 12 to translate through the supporting seat 8 and other related components, so as to translate the three filters between the winding chamber 1301 and the unwinding chamber 1201 to the front of the CCD camera 4 as needed, so that the filters can be automatically and smoothly switched, thereby completing the use of the automatic filter switching device.

Claims

1. A filter automatic switching device, characterized in that: The invention comprises a base (1), a base frame (5) is provided on one side of the top of the base (1), a side plate (2) is provided on the other side of the top of the base (1), a panel (3) is provided on the inner wall of the upper end of the side plate (2), a CCD camera (4) is installed on the surface of the panel (3), a screw rod (15) is rotatably installed on the top of the base frame (5) through a bracket, guide rods (16) are fixed to the top of the base frame (5) on both sides of the screw rod (15) through brackets, a bearing seat (8) is provided above the screw rod (15), and two nut seats (16) are threadedly installed on the outer wall of the screw rod (15) 17), the nut seat (17) is movably connected to the guide rod (16), a side connecting frame (6) is provided on the outer wall of the base frame (5) away from the side plate (2), a first rotating drive member (7) is installed on the outer wall of the side connecting frame (6), one end of the first rotating drive member (7) is connected to one end of the screw rod (15), an L-shaped seat body (9) is provided at the top of the bearing seat (8), the top of the bearing seat (8) on one side of the L-shaped seat body (9) is movably connected to a rotating shaft (14) through a bracket, and a winding roller (13) is provided at the end of the rotating shaft (14) away from the bearing seat (8).

2. The filter automatic switching device according to claim 1, characterized in that: A top frame (11) is provided at the top of the L-shaped seat body (9), and a reeling roller (12) is rotatably mounted on the inner wall of the top frame (11) above the reeling roller (13).

3. The filter automatic switching device according to claim 2, characterized in that: The outer wall of the unwinding roller (12) is provided with unwinding cavities (1201) at equal intervals, and the outer wall of the winding roller (13) is provided with winding cavities (1301) at equal intervals.

4. The filter automatic switching device according to claim 1, characterized in that: A fourth gear (21) is provided at one end of the rotating shaft (14) away from the winding roller (13); and one end of the fourth gear (21) away from the rotating shaft (14) is rotatably connected to the outer wall of the L-shaped seat body (9).

5. The filter automatic switching device according to claim 4, characterized in that: A third gear (20) is provided above the fourth gear (21), and the third gear (20) and the fourth gear (21) are meshed with each other.

6. The automatic filter switching device according to claim 5, characterized in that: One end of the third gear (20) is provided with a second gear (19) via a guide shaft, and one end of the second gear (19) away from the third gear (20) is rotatably connected to the outer wall of the L-shaped seat body (9).

7. The automatic filter switching device according to claim 6, characterized in that: A first gear (18) is disposed above the second gear (19), and the first gear (18) and the second gear (19) are meshed with each other.

8. The filter automatic switching device according to claim 7, characterized in that: A second rotating driving member (10) is mounted on the outer wall of the L-shaped seat body (9) at a side away from the first gear (18), and one end of the second rotating driving member (10) is connected to one end of the first gear (18).

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