Camera focusing device

Abstract

The utility model relates to a camera focusing device. The camera focusing device comprises a bearing plate, a transmission bearing, a clamping jaw assembly and a floating assembly. The bearing plate can be controlled to move in a reciprocating mode in the vertical direction, and an avoiding hole used for avoiding focusing of the camera is formed in the bearing plate. The transmission bearing is arranged in the receding hole, and an inner ring of the transmission bearing can rotate in a controllable mode. The clamping jaw assembly is arranged below the bearing plate, is connected with the inner ring of the transmission bearing and can synchronously rotate with the inner ring of the transmission bearing, and the clamping jaw assembly is provided with a focusing clamping jaw used for clamping and screwing the camera for focusing. The floating assembly is arranged between the transmission bearing and the clamping jaw assembly and comprises a connecting flat plate, a floating shaft and a floating spring, the connecting flat plate is connected with an inner ring of the transmission bearing, one end of the floating shaft is connected with the clamping jaw assembly, the other end of the floating shaft penetrates through the connecting flat plate to extend upwards, and the floating shaft can be vertically moved and adjusted relative to the connecting flat plate. The floating spring is arranged on the floating shaft in a sleeving mode and located between the connecting flat plate and the clamping jaw assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to camera focusing technology field, concretely relates to a camera focusing device. BACKGROUND

[0002] In the traditional camera production process, focal length adjustment, lens dispensing and function testing are usually completed by manual operation. Especially in the focusing and image testing links, manual operation is not only inefficient, but also is easily affected by operator fatigue and experience difference, leading to difficulty in guaranteeing the test quality. In addition, manual operation of these processes requires a large amount of time and energy input, further increasing the human, time and economic cost in the production process. For mass-produced cameras, this traditional manual test method obviously has high cost and low efficiency problems.

[0003] At the same time, since the camera is screwed on the product by screw thread, in the process of screwing and focusing the camera, the rotation of the camera will cause height change, if the ordinary mechanical mechanism such as clamp jaw is used to automatically screw and focus, motion interference will be easily caused to make the camera unable to focus smoothly. SUMMARY

[0004] The utility model aims at providing a camera focusing device, which can set the clamp jaw assembly on the transmission bearing to rotate with it, avoid the camera in the field of vision, clamp and screw the camera to focus, and set the floating assembly to make the clamp jaw assembly float up and down with the camera to avoid motion interference when the camera moves up and down during focusing.

[0005] To achieve the above purpose, the utility model provides a camera focusing device, which comprises:

[0006] A bearing plate controlled vertically reciprocatingly, the bearing plate is provided with an avoiding hole for avoiding the camera focusing;

[0007] A transmission bearing is arranged in the avoiding hole, and the inner ring of the transmission bearing is controlled to rotate;

[0008] A clamp jaw assembly is arranged below the bearing plate, connected with the inner ring of the transmission bearing and controlled to rotate synchronously, and the clamp jaw assembly is provided with a focusing clamp jaw for clamping and screwing the camera to focus;

[0009] A floating assembly is arranged between the transmission bearing and the jaw assembly, comprising a connecting plate, a floating shaft and a floating spring, the connecting plate is connected with the inner ring of the transmission bearing, one end of the floating shaft is connected with the jaw assembly, the other end of the floating shaft extends upward through the connecting plate and can move vertically relative to the connecting plate, the floating spring is sleeved on the floating shaft and located between the connecting plate and the jaw assembly.

[0010] Optionally, a transmission gear connected with the inner ring of the transmission bearing is arranged below the bearing plate, a focusing motor is arranged on the side of the bearing plate, a transmission belt for transmission is arranged between the movable end of the focusing motor and the transmission gear, and the connecting plate is connected with the transmission gear.

[0011] Optionally, the jaw assembly further comprises a driving cylinder, the driving cylinder is connected with the floating shaft, and the focusing jaw is arranged on the movable end of the driving cylinder.

[0012] Optionally, the center of the focusing jaw, the center of the transmission bearing and the center of the camera are located on the same vertical line.

[0013] Optionally, the camera focusing device further comprises a moving mechanism, the bearing plate is arranged on the moving mechanism, and the moving mechanism is used for driving the bearing plate and the jaw assembly to move vertically.

[0014] Optionally, an image frame is arranged above the bearing plate, and a focusing image and a light source are arranged in the image frame.

[0015] Optionally, a light-shielding cloth is arranged outside the image frame.

[0016] Optionally, the camera focusing device further comprises a concentrator, and the concentrator is used for collecting and adapting the wires and air pipes on the focusing device.

[0017] The beneficial effects of the utility model lie in that the jaw assembly is arranged on the transmission bearing and rotates with the transmission bearing, the camera can be clamped and screwed for focusing while the field of view of the camera is avoided, when the camera moves up and down for focusing, the floating assembly is arranged to make the jaw assembly move up and down synchronously with the camera to avoid motion interference on the focusing of the camera.

[0018] The above description is only a summary of the technical scheme of the utility model, in order to make the technical means of the utility model more clear and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail with the help of the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A first schematic structural view of a camera focusing device according to an embodiment of the present application is shown in the figure.

[0020] Figure 2 A first schematic structural view of a camera focusing device according to an embodiment of the present application is shown in the figure.

[0021] In the figure: 1, bearing plate; 11, avoiding hole; 2, transmission bearing; 3, clamping jaw assembly; 31, focusing clamping jaw; 32, driving cylinder; 4, floating assembly; 41, connecting flat plate; 42, floating shaft; 5, transmission gear; 6, focusing motor; 7, transmission belt; 8, moving mechanism; 9, concentrator. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0025] Please refer to Figure 1 and Figure 2A camera focusing device according to an embodiment of the present application comprises a bearing plate 1, a transmission bearing 2, a jaw assembly 3 and a floating assembly 4. The bearing plate 1 is vertically reciprocable, and the bearing plate 1 is provided with an avoiding hole 11 for avoiding the focusing of the camera. The transmission bearing 2 is arranged in the avoiding hole 11, and the inner ring of the transmission bearing 2 is controllably rotatable. The jaw assembly 3 is arranged below the bearing plate 1, is connected with the inner ring of the transmission bearing 2 and is rotatable synchronously with the inner ring of the transmission bearing 2, and the jaw assembly 3 is provided with a focusing jaw 31 for clamping and rotating the camera for focusing. The floating assembly 4 is arranged between the transmission bearing 2 and the jaw assembly 3, and comprises a connecting plate 41, a floating shaft 42 and a floating spring. The connecting plate 41 is connected with the inner ring of the transmission bearing 2, one end of the floating shaft 42 is connected with the jaw assembly 3, the other end of the floating shaft 42 extends upward through the connecting plate and is vertically movable for adjustment relative to the connecting plate, and the floating spring is sleeved on the floating shaft 42 and is located between the connecting plate 41 and the jaw assembly 3.

[0026] According to the scheme of the embodiment of the present application, the jaw assembly 3 is arranged on the transmission bearing 2 and rotates with the transmission bearing 2, so that the camera can be clamped and rotated for focusing while the field of view of the camera is avoided. Meanwhile, when the camera moves up and down for focusing, the floating assembly 4 is arranged to enable the jaw assembly 3 to float up and down synchronously with the camera under the cooperation of the connecting plate 41, the floating shaft 42 and the floating spring, so as to avoid the motion interference of the camera focusing.

[0027] The following will be described in detail with specific embodiments:

[0028] Please refer to Figure 2 The bearing plate 1 is provided below with a transmission gear 5 connected with the inner ring of the transmission bearing 2, the bearing plate 1 is provided with a focusing motor 6 on the side, a transmission belt 7 for transmission is arranged between the movable end of the focusing motor 6 and the transmission gear 5, and the connecting plate 41 is connected with the transmission gear 5. The jaw assembly 3 further comprises a driving cylinder 32 connected with the floating shaft 42, and the focusing jaw 31 is arranged on the movable end of the driving cylinder 32. The center of the focusing jaw 31, the center of the transmission bearing 2 and the center of the camera are located on the same vertical line. The focusing motor 6 is arranged on one side of the bearing plate 1 and drives the floating assembly 4 and the jaw assembly 3 to rotate through the transmission belt 7 and the transmission gear 5 to focus the camera. The center of the focusing jaw 31, the center of the transmission bearing 2 and the center of the camera are located on the same vertical line, so as to ensure that the rotation center of the jaw assembly 3 is consistent with the center axis of the camera when the jaw assembly 3 is rotated for focusing, thereby ensuring the smooth focusing.

[0029] Please refer to Figure 2The camera focusing device further comprises a moving mechanism 8, the bearing plate 1 is arranged on the moving mechanism 8, and the moving mechanism 8 is used to drive the bearing plate and the jaw assembly 3 to move vertically to adjust. After the camera reaches the focusing station, the moving mechanism 8 can drive the jaw assembly 3 to move downwards to firstly clamp the camera, and secondly to complete the screwing focusing process of the camera.

[0030] An image frame is arranged above the bearing plate 1, and a focusing image and a light source are arranged in the image frame. A light-shielding cloth is arranged outside the image frame. By arranging the image frame, the focusing image and the light source, the camera can be focused according to the image illuminated from above through the transmission bearing 2.

[0031] Please refer to Figure 2 The camera focusing device further comprises a concentrator 9, which is used to concentrate the electric wires and air pipes on the switching focusing device.

[0032] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the combinations are within the scope of the present application.

[0033] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, however, it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A camera focusing device, characterized in that, include: The support plate can be moved vertically in a controlled manner, and the support plate is provided with avoidance holes for avoiding the focus adjustment of the camera; A transmission bearing is disposed within the clearance hole, and the inner ring of the transmission bearing is capable of controlled rotation; A gripper assembly is located below the support plate, connected to the inner ring of the transmission bearing and able to rotate synchronously with it, and the gripper assembly is provided with a focusing gripper for gripping and adjusting the focus of the rotating camera. A floating assembly, disposed between the transmission bearing and the gripper assembly, includes a connecting plate, a floating shaft, and a floating spring. The connecting plate is connected to the inner ring of the transmission bearing. One end of the floating shaft is connected to the gripper assembly, and the other end of the floating shaft extends upward through the connecting plate. The floating shaft can be adjusted vertically relative to the connecting plate. The floating spring is sleeved on the floating shaft and located between the connecting plate and the gripper assembly.

2. The camera focusing device according to claim 1, characterized in that, A transmission gear connected to the inner ring of the transmission bearing is provided below the support plate. A focusing motor is provided on the side of the support plate. A transmission belt for transmission is provided between the movable end of the focusing motor and the transmission gear. The connecting plate is connected to the transmission gear.

3. The camera focusing device according to claim 1, characterized in that, The gripper assembly also includes a drive cylinder, which is connected to the floating shaft, and the focusing gripper is disposed on the movable end of the drive cylinder.

4. The camera focusing device according to claim 3, characterized in that, The center of the focusing gripper, the center of the transmission bearing, and the center of the camera are located on the same vertical line.

5. The camera focusing device according to claim 1, characterized in that, It also includes a transfer mechanism, on which the support plate is disposed, and the transfer mechanism is used to drive the support plate and the gripper assembly to move and adjust vertically.

6. The camera focusing device according to claim 1, characterized in that, An image frame is provided above the support plate, and a focused image and a light source are provided within the image frame.

7. The camera focusing device according to claim 6, characterized in that, A light-blocking cloth is provided outside the image frame.

8. The camera focusing device according to claim 1, characterized in that, It also includes a hub for gathering and connecting the wires and air pipes on the focusing device.

Images